If he can ejaculate during masturbation but not during intercourse then he's using a too tight grip or not enough lube while masturbating. There's no way a vagina can duplicate a tight, not-enough-lube grip.
I'm sure there are others who can give you tips to have him try.View Thread
I beg to differ regarding your first point (All women have been sexually assaulted in their life...). I've never been sexually assaulted and I'm sure many women I know also have never been assaulted.View Thread
I don't agree with the once a cheater, always a cheater belief. There is a regular poster on WebMD who cheated on an ex-BF because he was abusive and controlling. She knows it wasn't right and is currently with someone she has not cheated on because it's a healthy relationship.View Thread