You’re shocked. You’re wounded. You’re furious. But even though you’re tempted to scream at him or post ranting comments on Facebook about how unimpressive he is in the sack, you’ll be better off if you say nothing to him or about him until your blood stops boiling. “When your stress level is high, you tend to be irrational, and you can end up saying things you regret later. So, don't to talk to him until your stress level comes down," says Lombardo.