dude do what u feel is right i know how it feels only difference is that my ex was cheating on me while i was at home watching our daughter i ended up finding out threw my bestfriend it sucks i know but who know her friends must not be the brightest crayon in the box since she was the one that came up with that brilliant idea. just talk it out and if you can trust her let it go if not somthing has to be done.