There’s so much more than penis size to being a man. Maybe get out into the real world and away from the internet and far from “reality” tv and you’ll find out.
Listen to the testimony’s of real women on this forum who say large cocks hurt and limit the positions they can enjoy. Most of the population are average and so are the internal workings of women no matter how short or tall, fat or thin they are. So we are designed to be average and fit together.
Only you can change your mental attitude towards yourself, but comparing yourself to porn etc will not help.