guys, only answer please?

Iv had awful experiences with boyfriends iv had now i have an awesome one, he says he doesnt mind listening to me if I wana talk about the past and what bothers me but i dont want to os im trying to get over it and i wana be happpy and forget it, but even tho i act like nothing bothers me i am insecure, if your girtlfriend didnt wana talk about negative shit from her past is that a bad thing? please help me cos he feels like i dont care or somethjing