# Why do I like pain?

> An honest answer to why consensual pain can feel good: what endorphins actually do, what research on altered states shows, and how this differs from self-harm.

- Canonical URL: https://consensualspanking.co.uk/why/why-do-i-like-pain/
- Section: Why we want this
- Updated: November 2026 (2026-11-01)
- Audience: consenting adults over 18 only. Everything on this site concerns consenting adults over 18.

You have probably already worked out that you are not injured, not miserable, and not looking to be. And yet something about being hurt on purpose, by someone who is paying attention, does something for you that nothing else quite does. Here is what is going on.

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## In short

- Consensual pain is processed differently from unwanted pain. Context, anticipation and safety change how the signal is read.
- Endorphins are part of it but not the whole story. Measured cortisol changes, and the theory that intense sensation quietens self-awareness, fit what people describe better.
- The DSM-5 distinguishes sexual masochism, a preference, from sexual masochism *disorder*, which requires distress or impairment.
- This is not self-harm. The reliable difference is how you feel afterwards, and whether anyone else was involved.

The short version: pain is not a fixed quantity that arrives at your brain with a number attached. What you feel depends enormously on what your nervous system thinks is happening. A hard stroke from someone you trust, who you asked, in a room you chose, lands differently from the identical stroke delivered by a stranger in a car park. Same force. Different experience entirely.

That is not a metaphor or a mindset trick. It is how pain processing works.

## The endorphin explanation is plausible but lazy

You will read everywhere that spanking releases endorphins and endorphins feel nice. Both halves are probably right. It is just a thin account of what people actually describe.

Pain is known to trigger the body's own pain relief, though as far as I know nobody has measured it in a spanking scene. Either way there is a genuine physiological lift that arrives some minutes in and can last for hours after. But if endorphins were the whole story, people would get the same thing from a hard run, and they would not care who was holding the implement. They care enormously about who is holding the implement.

## What the research shows

Brad Sagarin and colleagues measured hormone levels in people before, during and after BDSM scenes at real events rather than in a lab. They found significant changes in cortisol in the receiving partner, and reported that relationship closeness rose for couples whose scenes went well. The physiological shift is measurable. The closeness is conditional: it came with the scenes that worked.

The more useful theory, to me, is older. Roy Baumeister argued in 1988 that masochism functions as an escape from high-level self-awareness. Normally you are carrying a continuous, effortful sense of yourself as a person with responsibilities, a job, a reputation, opinions about yourself. Sufficiently intense physical sensation collapses that. You stop being a self with a calendar and become a body in a room, right now, dealing with this.

That reframing explains things endorphins do not. It explains why the people most drawn to this are so often the ones carrying the most responsibility. It explains why the relief can feel closer to putting something down than to picking something up. And it explains why it matters so much that someone else is in charge of it, because the escape only works if you are genuinely not the one deciding.

## Why it needs to be someone else

You cannot really do this to yourself. People try. It does not land the same way and most give up on it fairly quickly.

Part of that is mechanical, in that you cannot surprise yourself and you will always pull the stroke. But most of it is that the appeal is in the handing over. If you are choosing the force and the timing and when it stops, you are still the one in charge, which is precisely the thing you were trying to put down.

> **Worth sitting with.** A lot of people describe the appeal as wanting to be *made* to, rather than wanting to. Those are different desires and the second one is harder to admit to. If that is the shape of it for you, the [page on why structure appeals](https://consensualspanking.co.uk/discipline/why-structure-appeals/) is probably more relevant than this one.

## This is not self-harm, and here is how you tell

This is the question underneath the question, for a lot of people who end up reading a page like this. So let me be direct about it.

Consensual masochism involves another person, is negotiated in advance, stops when you say a word, and tends to leave people feeling settled, connected and quite pleased with themselves. Self-harm is usually done alone, usually kept secret, is compulsive rather than chosen, escalates over time, and is followed by shame.

The single most reliable test is how you feel the next morning. Not during. Afterwards. If what follows is calm and a bit sheepish and you would happily do it again, that is one thing. If what follows is secrecy and self-disgust and a promise to stop, that is something else, and it deserves better help than a website can give.

The two can also coexist, which nobody says out loud. It is possible to have a genuine kink and also to sometimes use it badly, in the same way that people who enjoy drinking can also sometimes drink for the wrong reasons. Noticing that is not a diagnosis. It is just worth being honest with yourself about which one is driving on a given night.

> ### If the honest answer is the second one
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> Samaritans, **116 123**, free, any time of day, and you do not need to be in crisis to ring. Mind has practical information on self-harm at [mind.org.uk](https://www.mind.org.uk). Your GP can refer you without it becoming public record. None of this means the kink is the problem.

## Does wanting this mean something is wrong with me?

No, and there is a specific piece of evidence I find more reassuring than any amount of encouragement.

The DSM-5, which is the diagnostic manual American psychiatry works from, draws a line between sexual masochism and sexual masochism *disorder*. The first is a preference. The second additionally requires that the interest is causing you clinically significant distress or getting in the way of your life. Wanting to be spanked is not a disorder. Being tormented by wanting to be spanked might be, and the treatment for that is usually to stop being tormented rather than to stop wanting it.

There is population data too. A 2013 study in the Journal of Sexual Medicine by Wismeijer and van Assen compared around 900 BDSM practitioners with a control group on standard personality and wellbeing measures. The BDSM group scored equal or better on most of them: less neurotic, more extraverted, more conscientious, less rejection sensitive, higher subjective wellbeing.

One study is one study, and the sample recruited itself, so hold it loosely. But the direction is the opposite of what the "something must have happened to you" theory predicts.

## The trauma question

People want this to have a cause, usually a bad one. Sometimes there is one. Often there is not, and the research has never found the reliable link that popular assumption insists on.

What I would say from experience rather than evidence: plenty of people in this find their way to it from perfectly unremarkable lives, and a fair number of people with genuinely difficult histories have no interest in it at all. Treating the kink as a symptom to be decoded mostly seems to make people miserable without making them any less interested.

## Read next

- [What masochism actually means](https://consensualspanking.co.uk/why/what-is-masochism/)
- [Subspace, and what is happening in it](https://consensualspanking.co.uk/why/headspace/)
- [Aftercare, and why the comedown is real](https://consensualspanking.co.uk/guide/aftercare/)
- [Your test said masochist. Now what?](https://consensualspanking.co.uk/why/kink-test-results/masochist/)
- [Wanting it when you are low](https://consensualspanking.co.uk/why/wanting-it-when-you-are-low/)

## Sources

1. American Psychiatric Association, *Diagnostic and Statistical Manual of Mental Disorders*, 5th edition, text revision (2022). Sexual masochism disorder criteria.
2. Wismeijer, A. and van Assen, M. (2013). "Psychological Characteristics of BDSM Practitioners." *Journal of Sexual Medicine*, 10(8), 1943–1952. [doi:10.1111/jsm.12192](https://doi.org/10.1111/jsm.12192)
3. Sagarin, B. et al. (2009). "Hormonal Changes and Couple Bonding in Consensual Sadomasochistic Activity." *Archives of Sexual Behavior*, 38, 186–200. [doi:10.1007/s10508-008-9374-5](https://doi.org/10.1007/s10508-008-9374-5)
4. Baumeister, R. (1988). "Masochism as Escape from Self." *Journal of Sex Research*, 25(1), 28–59. [doi:10.1080/00224498809551444](https://doi.org/10.1080/00224498809551444)

## Common questions

### Is it normal to enjoy pain during sex or play?

Enjoying consensual pain is common and is not in itself a sign of a psychological disorder. The DSM-5 distinguishes sexual masochism, a preference, from sexual masochism disorder, which additionally requires clinically significant distress or impairment. Wanting it and being happy about wanting it is not a disorder.

### What is the difference between masochism and self-harm?

Consensual masochism is negotiated with another person, bounded by agreed limits, usually produces relief and connection, and is something people tend to feel good about afterwards. Self-harm is typically solitary, secret, compulsive, escalating, and followed by shame. The feeling afterwards is the clearest signal.

### Why does pain feel good during play but not otherwise?

Context changes how the nervous system processes the signal. Anticipation, safety, arousal and consent all alter pain perception. The same stroke that reads as pleasurable during a negotiated scene reads as assault in a car park, and the difference is not in the stroke.
