Forgive & Forget, How's that supposed to work when I Can't forget... all the Time I think about how…

Forgive & Forget, How's that supposed to work when I Can't forget... all the Time I think about how my Bf cheated on me a Year ago I Stayed, now a Few weeks ago some girl was texting him She wrote him on IG Trying to get at him, she knew I was prego and his gf.. I forgave him I Guess but when we fight I Throw it in his Face or even if were not fighting I bring it up and We then fight.... #Help #Advice #Hormonal