She has fucked around on me with two different guys!

I recently found out that my little blonde had been having an affair with another man for 5 years.  As if that wasn't bad enough, she and I met a man at a dive bar who came on to her.  He later contacted her and asked her out.  She told me she didn't respond.  Turns out she had drinks with him and then he took her home and fucked her.  Then she had been contacted by him several times after that during the day and they met at his place.  So basically, she's a fucking slut!