Any women going through this dilemma!

My guy for a little bothered by the fact that it doest bother me that I don’t have an orgasm every time we have sex. I enjoy pleasing him weather i get mine or not. He states he prides/its an achievement for him knowing i had an orgasm ( he says he’s made women orgasm multiple times in the past). I haven’t had the “Big O”. It take me some time to get off and im sure that normal but Ive only got off through clit stimulation. What can i do to achieve an orgasm through vaginal intercourse.