Two friends that have an attraction to eachother but can't be in an official relationship for whatever reason.

A healthy, fun sexual relationship between two people......
Until one falls for the other, The friendship blows to
pieces. And those two people find themselves worse off than
they were before.

Two very good friends that share in sexual acts with eachother with no emotional connection or boyfriend-girlfriend label. Just engaging in the act of sex for fun.

friends who do couple things like hugging and kissing and holding hands but aren't in an official relationship. They can make their own boundaries for the "relationship" and agree to them as they choose.

A person that you have a sexual relationship without being emotionally involved. However, if you're a girl you know that it's impossible to have a sexual relationship without getting your emotions involved. Usually you end up being afraid to tell the person that you want serious committment because you don't want to be rejected. You keep your friends wtih benefits relationship because you are afraid of losing the person all together but it hurts you because you want more. You know you should tell the person how you really feel but you can't because you love them and you're afraid of losing them. When you finally do tell the person that you love them they might tell you that they love you back, if they don't then you can both move on, either way it's worth a shot because if you don't ask you'll never know.

Two friends with a very casual dating relationship. The benefits can be really good, long, flirty conversations; make-out sessions with no commitment; sex without commitment; etc.

A relationship where a man and a woman enjoy having sex with one another, but do not see each other as potential relationship material. Friends with benfits usually never works successfully with ex-boyfriends/girlfriends or anyone else you might have feelings for. The benfits are not exclusive, buyer beware!