>Having a long-term partner and a sex-hookup on the side, what is that if not cheating? Cheating means "doing something which is not agreed upon". If both part

>Having a long-term partner and a sex-hookup on the side, what is that if not cheating? Cheating means "doing something which is not agreed upon". If both partners in a relationship agree to have a possibility of a 'sex-hookup', it's by definition not cheating.