How do i go faster in sex?

me and my bf alexander wel soon to be husband we have a baby and she is 11 months old and i never want to have sex anymore and every time we do it doesnt feel good for me and i need help on how to make it so that i have enjoyment out of it. i want him to go hard and fast but he cant and neither can i. is there a way so that we both can go fast and make it amazing