Friends with Benefits is an arrangement where two friends have a sexual relationship without being romantic partners or committing to each other.
Friends with Benefits, often shortened to FWB, describes two people who are friends and also sleep together, without the labels or commitment of a romantic relationship.
The appeal is intimacy without the expectations. You get companionship and sex with someone you trust, while staying free to date other people.
The arrangement works best with clear ground rules. How often you see each other, whether you tell friends, what happens if one of you starts dating someone, and how you will end it.
The most common pitfall is uneven feelings. One person often starts wanting more, and if that is not discussed, the friendship and the benefits can both collapse.
Honest, regular check ins keep an FWB healthy. The moment it stops feeling casual for either person, the kind move is to talk rather than to pretend nothing changed.
It overlaps with situationships, though an FWB usually starts from an existing friendship rather than from dating that was never defined.