i'm go with the crowd and say don't do it. whether or not it starts off as sex, doesn't mean it will end that way. guys are for the most part stupid and don't seem to understand such things (regaurdless of what most that have been in this situation think) jealousy will more than likely come into play when he finds out when you are doing someone else. he then will more than likely (if not at the time having more feelings than just wanting to fuck) will see the guy (or girl as the case may be) taking what you give him and that will start the fan for the shit to hit. it only gets worse the more drunk a person is, (i can sit here all day and put up with the most annoying shit in the world, what would make some strangle the person and not even get so much as pissed, but when i'm drunk i can blow up over nothing) and if he's the jealous type or has a short temper it will get 10x worse. all in all, it's almost a sure thing this won't turn out in the end (when you do get a new relationship) to be a fuck-buddy, rather some jealous male ready to kill another man for touching 'his woman'