A cheating boyfriend. Part 1

Let me clear things up before some readers began thinking my 'bf' is cheating on me. I am single at the moment, I think. Oh yeah, it is complicated indeed but the point is, I ain't talking about mine.*** So, I'm curious, what do you do with a cheating partner anyway? Do you just forgive them and pray that they do not repeat this repulsive act or do be aggressive (you take a baseball bat and do a