However it is improper to ask questions. Guys should discuss it with other guys and girls should discuss with other girls if it must be addressed at all. So to conclude, everyone masturbates. In todays society we have this notion that the larger the penis the better the sex partner. This may not be true and in this case, you are obviously having problems with the women that encounter your piece.
Penis size varies among all men.
Women vary concerning their likes and dislikes in penis size. Perhaps the women that have experienced you are not prepared for your massive meat. Maybe the solution is to keep searching for the perfect woman who doesnt mind your size. I am not sure what advice i can give to make your sex life better. However, maybe you can take part in group meetings to talk about your feelings, perhaps surgery if need be, address the issue ahead of time prior to being with someone, or dont have sex all together.