A friends with benefits relation rules

Who haven’t every thought about friends with benefits relation.

Only pleasure, sex and no psychological attachmets.

Some of us would ask what are the rules of such relationship wihout relationship at all… or when the relationship between female and male begins.

Where is the turing point or even a mile sone where sex and romance evoulte into relationship…

A NLP practicer would say it is the metter of frames, so if we meet and have fun have sex, go out for a beer it is friends with benefits relationship if we say Hi I am so and so and I would like to meet you becuse I am looking for a girlfriend or even a wife it is a relation ship.
It is true to some exten but some times life has no common point with theroy as we plany stay somewere for 3 months and theny we spend there whole life…