hi,i'm steph,split up with my sons father when i was 8weeks pregnant cos he was nasty to my daughter(from another relationship),but i still am having sex with him 2years down the line and he has a fiance,my family tell me to stop?but we only split up cos we didnt get on not cos we stopped fancying eachother so we have been carrying on but he is living with someone else yet doesnt seem to mind cheating on her,does anyone else think i should stop???