Choosing guests for your wedding is no small feat, despite it sounding simple enough. You have two sides to consider… it's called being in a ‘couple’, after all. In this case, one of OP's fiance's groomsmen admitted to cheating on his wife, which made OP very uncomfortable. This groomsman said he was getting divorced as a result of said cheating, and OP asked her own fiance to disinvite him from the wedding, as she felt heartbroken for the groomsman's wife and kids. She didn't want to invite th…