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Guide/Chapter I

Understanding

The basic vocabulary, what research says and what it does not, and a way to begin that gives you time to find out what you want.

10 min read · 8 sources · checked in October 2026

Oil painting: one hand passing a coiled red rope to another
In this chapter
  1. Three layers in one acronym
  2. The basic principles
  3. A space to invent
  4. Two axes, not a scale
  5. Why people enjoy it
  6. What BDSM is not
  7. Not a disorder
  8. Some common misconceptions
  9. How to begin
  10. And for vanilla relationships?
  11. Going further

To someone who has never practised it, BDSM can seem strange, even worrying. This page explains what it is about, without trying to make you like anything. You can read all of it, want to try nothing, and still come away with ideas that are useful in any relationship.

Three layers in one acronym

BDSM stacks three pairs of words. Bondage and discipline: tying up, immobilising, setting rules and making sure they are followed. Dominance and submission, often shortened to D/s: one person takes authority, the other hands it over, within an agreed framework. Sadism and masochism: giving or receiving intense sensations, pain included, because both people get something out of it.

The layers can be combined however you like. Some people love rope for its aesthetics and have no taste at all for power play. Others live a D/s relationship without ever seeking pain. The words sadism and masochism come from two writers, Sade and Sacher-Masoch, and became medical categories at the end of the 19th century: the History page tells how.

The word kink is broader: it refers to sexual practices that step outside the most common habits, from a taste for leather to role play. All BDSM is kink, but not all kink is BDSM. Finally, a scene, meaning a moment of play agreed in advance, does not necessarily involve sex. Some people play without any sexual contact, and that is as valid a choice as the opposite.

The basic principles

The foundation of everything is kindness and consent. You play with power, sensations or words because both people get something out of it, never to cause real harm. Everything else follows from that.

  • Consent. Each person says yes freely, knowing what they are saying yes to, and can withdraw that yes at any time. Silence, hesitation or an “I don’t know” is not a yes (see Consent).
  • Kindness. Even in the middle of play, the person leading stays attentive to the other, and the person receiving remains free to say what they feel.
  • Talking. You talk before (desires, limits, health, state of the day), during (checks, signals) and after (what you enjoyed, what you enjoyed less).
  • Limits. A hard limit is not up for discussion during a scene. A soft limit is only approached gently, and only if both people want to.
  • A stop signal. A word and a gesture, agreed, tried out and respected without discussion (see safeword).
  • Care afterwards. Aftercare, the care given just afterwards (water, a blanket, calm or a hug), matters for both roles, and you check in on each other over the following days.
  • Known risk. No practice is risk-free: you know the risk, you reduce it and you choose it together (see Safety).
  • Progression. You start small, you learn, and you only go further when the desire is there on both sides.

A space to invent

There is no one right way to live BDSM. It is a space for creativity: every relationship is different, and it is the people involved who build it, with their desires, their limits, their humour and their rituals. Some relationships last the length of a scene, others for years. Some stay light, others follow a precise protocol. None is more “real” than another.

A relationship also changes over time. Desires change, limits shift, in either direction, with experience, trust, tiredness or whatever is happening in your life. What was negotiated once gets discussed again. Filling in the portrait again a few months later is a good opportunity to talk it over.

Two axes, not a scale

The vocabulary of roles often mixes up two questions.

The first is about action. In a scene, the top does: they tie, strike, guide the sensations. The bottom receives.

The second is about authority. The dominant (dom, or domme for a woman) decides within the agreed areas. The submissive (sub) hands that power over to them.

These two axes are independent. A submissive may hold the flogger because their dominant partner has ordered them to: they are top in the scene and submissive in the relationship. Conversely, you can receive sensations while deciding every step: bottom, and yet in charge. Labels help you find your bearings, not put you in a box.

Switches alternate roles depending on their partners, the day or what they feel like. It is not indecision; it is a preference like any other.

A scene, a relationship

A scene is a bounded moment: a beginning, an end, negotiated content. A D/s relationship can extend well beyond that, with rules that sometimes reach into everyday life (see D/s 24/7). You can do scenes without any lasting power relationship, and live a D/s relationship with almost no scenes. In both cases, what has been agreed only holds as long as everyone agrees.

Why people enjoy it

The reasons practitioners give vary: playing with power (taking it, giving it up, feeling it flow), sensations not found anywhere else, the trust it takes to let yourself be tied up or to tie someone up, the pleasure of staging and of playing a role. Some also describe a particular state of consciousness, more focused or, on the contrary, more floaty.

Research is beginning to measure some of these effects, in small groups. In a study of 58 practitioners, cortisol, a hormone linked to stress, rose during the scene in the people who were tied up or on the receiving end. When the scene had gone well, stress then fell and the feeling of closeness increased1. A pilot study of 14 people observed altered states that differ by role: lower performance on an attention test among bottoms, and a state of “flow”, of absorption in the action, among tops2.

These are leads, not certainties. The samples are small, and none of this explains why a person likes what they like. The Body page details what has been measured and what is assumed.

What BDSM is not

Seen from the outside, some acts look like violence. What sets them apart lies in what surrounds them: prior negotiation, limits that are respected, the possibility of stopping at any moment, care afterwards.

Take these away and all that remains is violence. Ignoring a “stop”, punishing someone for setting a limit, cutting a partner off from the people close to them, repeating that “a real submissive has no limits”: this is not BDSM, it is abuse borrowing its vocabulary.

Not Fifty Shades of Grey

For many people, BDSM means Fifty Shades of Grey. Yet it has little to do with that novel. In it, a rich, experienced man pressures an inexperienced student into signing a contract, keeps watch on her, isolates her and uses alcohol to weaken her consent, and his tastes are presented as a childhood wound to be healed. That is roughly the opposite of what this guide describes: a negotiation between adults who talk to each other as equals, limits that are respected, the option of stopping at any moment, and desires that are not a symptom. The History chapter looks back at the phenomenon and at what practitioners hold against it.

Not a disorder

For more than a century, psychiatry classed these practices as illnesses. That is no longer the case.

ICD-11, the World Health Organization’s International Classification of Diseases, adopted in 2019 and in force since 1 January 20223, removed the categories “fetishism”, “fetishistic transvestism” and “sadomasochism”. It retains disorders that involve non-consenting people, including “coercive sexual sadism disorder”, or marked distress4. The American DSM-5 (2013), for its part, distinguishes paraphilia, an atypical sexual interest, from paraphilic disorder, which involves distress, impaired functioning or the involvement of non-consenting people5.

Some common misconceptions

Misconception What we know
“It’s the result of trauma.” In an Australian national survey of 19,307 people, practitioners had not been coerced into sexual acts more often than anyone else. Male practitioners even showed less psychological distress6.
“They’re fragile people.” A Dutch study comparing 902 practitioners with 434 controls found lower neuroticism and higher subjective well-being among practitioners. The sample is not representative7.
“It’s marginal.” In Belgium, 46.8% of a representative panel of 1,027 people had engaged in at least one BDSM activity, and 7.6% described themselves as practitioners8. In Australia, 1.8% of sexually active people had engaged in it in the past year6. The gap is mostly down to what is being measured: a lifetime or a year, a one-off activity or an identity.
“The dominant decides everything.” Limits are set beforehand, together, and everyone keeps the right to stop. Power that is handed over is handed over within a framework both people have drawn up.
“The safeword is enough.” A word is useless if speech is prevented, or if the person’s state stops them from saying it. You also need non-verbal signals and attentiveness.
“Fifty Shades of Grey, that’s what it is.” It is fiction. In it, a rich man pressures an inexperienced student into accepting a contract: an imbalance that this guide would rather teach you to spot.

The details of the studies, their limitations and a table of what is established and what is merely assumed are on the Research page.

How to begin

There is no rush. Here is one possible order, to adapt as you see fit.

  1. Talk before you act. With a partner, start with desires rather than practices: what draws you, the idea of letting go of control or of taking it, a sensation, an aesthetic? Say what scares you, too. A conversation that goes wrong costs less than a scene that goes wrong.
  2. Read. Guides written by practitioners, first-hand accounts, a few studies. The Resources page offers an annotated selection, in French wherever possible.
  3. Take your own inventory. The portrait goes through more than two hundred practices, from kissing to the most intense, to help you place your desires and your limits. It prepares a conversation; it does not replace one.
  4. Go to a munch. A munch is an informal get-together in a bar or café, with no play and no special dress code: people chat, ask questions and leave whenever they like. It is a simple way to meet experienced practitioners and to hear about workshops. Resources lists several, notably in French-speaking Switzerland.
  5. Start small. A short first scene, with few elements, a clear stop signal and time afterwards to talk about it. You can go further next time; going back after a bad experience is harder.

If you meet someone online, the first meeting takes place in a public place, and a person you trust knows where you are (see safe call).

And for vanilla relationships?

Vanilla is the word for sex without BDSM or kink. There is nothing pejorative about it, and a vanilla intimate life is not a stage on the way to something else: many people are very happy there, and this guide is not trying to get them out of it.

Yet almost everything it describes is also useful outside BDSM. Saying what you want and what your limits are beforehand, checking during that the other person still agrees, being able to say “stop” or “pause” without having to justify yourself, taking care of each other after an intense moment, checking in the next day, talking over what happened with a cool head: these habits do any relationship good, sexual or not. The Tonight questionnaire, for example, also works for a tender evening, with no rope and no power play: stating your energy, your desires and your limits for the day takes two minutes and avoids many misunderstandings.

And if you feel like trying a little something, a scarf over the eyes or a feather on the skin, the same rules are enough: talk about it beforehand, and keep a word for stopping. The glossary suggests a few gentle ideas, such as sensation play, and the Equipment page shows what you can do with a feather, a blindfold or an ice cube.

Going further

  • Consent: negotiating, setting limits, stopping, and recognising when an agreement no longer holds.
  • Research: the studies cited here, with their samples and their limitations.
  • Body: what happens in the body during and after a scene, and what is still unknown.
  • Glossary: the terms on this page and around sixty others, plainly defined.

Sources

  1. Sagarin, B. J., Cutler, B., Cutler, N., Lawler-Sagarin, K. A. and Matuszewich, L., 2009. Hormonal changes and couple bonding in consensual sadomasochistic activity. Archives of Sexual Behavior, 38(2), 186-200. link ↑

  2. Ambler, J. K., Lee, E. M., Klement, K. R., Loewald, T., Comber, E. M., Hanson, S. A., Cutler, B., Cutler, N. and Sagarin, B. J., 2017. Consensual BDSM facilitates role-specific altered states of consciousness: A preliminary study. Psychology of Consciousness: Theory, Research, and Practice, 4(1), 75-91. link ↑

  3. World Health Organization, 2019. The 72nd World Health Assembly Resolution for ICD-11 Adoption. WHO. link ↑

  4. Krueger, R. B., Reed, G. M., First, M. B., Marais, A., Kismodi, E. and Briken, P., 2017. Proposals for Paraphilic Disorders in the International Classification of Diseases and Related Health Problems, Eleventh Revision (ICD-11). Archives of Sexual Behavior, 46(5), 1529-1545. link ↑

  5. American Psychiatric Association, 2013. DSM to Distinguish Paraphilias From Paraphilic Disorders. Psychiatric News. link ↑

  6. Richters, J., de Visser, R. O., Rissel, C. E., Grulich, A. E. and Smith, A. M., 2008. Demographic and psychosocial features of participants in bondage and discipline, “sadomasochism” or dominance and submission (BDSM): data from a national survey. Journal of Sexual Medicine, 5(7), 1660-1668. link ↑↑

  7. Wismeijer, A. A. and van Assen, M. A., 2013. Psychological characteristics of BDSM practitioners. Journal of Sexual Medicine, 10(8), 1943-1952. link ↑

  8. Holvoet, L., Huys, W., Coppens, V., Seeuws, J., Goethals, K. and Morrens, M., 2017. Fifty Shades of Belgian Gray: The Prevalence of BDSM-Related Fantasies and Activities in the General Population. Journal of Sexual Medicine, 14(9), 1152-1159. link ↑