How to Have a Threesome: A Practical, No-Drama Guide

A threesome is one of the most common sexual fantasies there is. In the national survey data we break down, 22.1% of U.S. adults said a threesome appealed to them, but only 13.9% had actually had one. Part of that gap is simply that fantasies don’t have to happen. But a lot of it is that a threesome takes more planning than most sex, and people aren’t sure where to start.

This guide is that starting point. If you just want the definition and the basics, see our threesome glossary entry. If you’re seriously thinking about doing it, read on, and when you’re ready for the practical side, our guide to threesome sex positions covers 16 positions that keep all three of you involved, including the best ones for FFM, MMF and other mixes.

Decide whether you actually want it

Before any logistics, it’s worth being honest about what’s drawing you in:

• Is it the fantasy, or the reality? Plenty of people love the idea of a threesome and would enjoy it far more as dirty talk or roleplay than as an actual night with a third person. That’s a completely valid place to land.
• Is it something you both want? If you’re in a couple, the single biggest risk factor is one partner being keen and the other agreeing to keep them happy. “I’d do it for you” is not the same as “I want to,” and it tends to show on the night.
• Is your relationship in a good place? A threesome amplifies whatever is already there. It’s a poor fix for boredom, distance, or trust problems, and a much better experience for couples who already communicate well.

Talk it through first

Most threesomes that go badly fail because of a conversation that never happened, not because of anything in bed. Before you look for anyone, talk through:

• What’s on and off the table. Specific acts, not vague comfort levels. Kissing? Oral? Penetrative sex, and between whom? It’s normal for a couple to reserve some things just for each other.
• Who you’d want to invite. A stranger, a friend, someone from an app? Any gender preferences? If you’re seeing terms like FFM or MFM on apps, our guide to threesome types explains what each one usually means.
• How you’ll stop. Agree that any one of the three can pause or end things at any time, with a safeword or simple signal, and that stopping isn’t a failure.
• What happens afterward. Does the third stay over? Is this a one-time thing, or open to repeating?
• How you’ll handle jealousy. Not whether it will come up, but what you’ll do if it does: a check-in signal during, a debrief after.

If talking about specifics feels awkward, fill in our yes/no/maybe list separately and compare. It shows only what you both said yes or maybe to, so it’s an easy way to find your overlap without anyone feeling put on the spot.

Finding a third

There’s no single right way, and each route has trade-offs:

• Apps and sites built for this. Several dating and hookup apps let couples create a joint profile and say upfront what they’re looking for. Being clear and honest in a profile filters out a lot of mismatches.
• Lifestyle and kink events. At a munch, a play party, or a swingers’ event, everyone already understands the context, which removes a lot of awkwardness. See our guide to the swinger lifestyle for how those spaces work.
• A friend or acquaintance. It’s easier to trust someone you know, but the friendship has to survive whatever happens. Only go there if all three of you could plausibly stay friends if it’s awkward afterward.

Whichever route you take, meet for a drink or coffee first, with no expectation that anything happens that day. You’re checking for chemistry with both of you, and giving the third a chance to check you out too.

Treat the third as a person, not an accessory

Couples looking for a third, especially a single bisexual woman (the so-called “unicorn”), have a mixed reputation, and it’s mostly earned by a minority who arrive with a long list of rules and little interest in the third person’s experience. The couples who do well:

• Share their limits openly and ask about the third’s limits too.
• Make sure the third feels wanted by both partners, not just tolerated by one.
• Don’t make the third responsible for managing the couple’s feelings.

If you’re the third

You have just as much say as either member of the couple. A few things worth doing:

• Check that both partners are equally enthusiastic. If one seems to be going along with it, that’s a red flag for the whole night.
• Ask what’s off-limits for them and say what’s off-limits for you.
• Have your own way home and feel free to leave at any point.
• Ask about safer-sex practices before you meet, not in the moment.

Safer sex with three people

More people means more ways to pass on infections, so this is worth settling in advance, not in the moment:

• Recent STI tests for everyone, and an honest conversation about results and about anyone else you’ve been with since.
• Change condoms between partners, every time, including on toys that move from one person to another.
• Plan for barriers (condoms, dental dams, gloves) for whatever acts you’ve agreed to, and have more than you think you’ll need, plus plenty of lube.
• Go easy on alcohol. A drink for nerves is common. Being drunk is not compatible with checking in, reading each other, or giving real consent.

On the night

• Set the scene. A comfortable, private space with enough room for three, supplies within reach, and no pressure to rush.
• Start slow. Talking, kissing, and touching first lets everyone settle in. There’s no script you need to follow, but our guide to threesome positions has setups that keep all three of you involved, and the Threesome pack in our truth or dare game is an easy icebreaker: the cards use your names, so each of you gets a turn at the center.
• Keep attention moving. The most common complaint after a threesome is someone feeling left out. Make a point of including everyone, and if you notice someone on the sidelines, bring them back in.
• Check in, out loud. A quick “still good?” costs nothing. Watch for the person who’s gone quiet.
• It’s fine if it doesn’t go anywhere. Some nights just end up as a fun evening of flirting. That isn’t a failure.

Afterward

• Aftercare for all three. Water, snacks, cuddling, or space, whatever each person needs. See our aftercare guide for what that can look like.
• Check in with the third the next day. A friendly message thanking them and asking how they’re feeling goes a long way, whether or not you want to see them again.
• Debrief as a couple once you’ve both had some sleep. What did you enjoy? Was anything harder than expected? Would you do it again, and would you change anything?
• Name jealousy if it shows up. It’s common, sometimes a day or two later, even after a great night. Treat it as information, not an accusation.

Common mistakes to avoid

• One partner pushing, the other going along with it. The most reliable way to a bad night and a hard week afterward.
• Rules the third doesn’t know about. If something’s off-limits, say so before anything starts.
• Unequal attention. Especially a couple focusing on each other and forgetting the third, or one partner focusing on the third and forgetting their partner.
• Going too far, too fast. Doing less than you planned is always fine. Doing more than you agreed to is how trust gets damaged.
• Deciding things in the moment. Anything you didn’t discuss beforehand is a no for tonight, and something to talk about for next time.

Where to go from here

If a threesome appeals but feels like a big step, there are related interests worth exploring first: being watched (exhibitionism), watching (voyeurism), or, for some couples, cuckolding. And if you’d rather explore non-monogamy as a couple more broadly, our guide to the swinger lifestyle covers how that community works.