During vaginal sex (also known as penetrative vaginal sex, vaginal intercourse, sexual intercourse and just sex) the penis goes into the vagina. How do you have vaginal sex? There is no one right way of having vaginal sex, but there are a few things that you should think about before you do it. While I didn't have a "doll", in a lonelier time in my life I had a simulated vagina+buttocks thing, basically a soft, stretchy hole with a sculpted female anatomy around it with a flat base. Add lubrication, thrust a while, rinse, repeat. I would assume the sensations are similar to the equipment. 9 things you should never do while having sex (Getty Images) When you're in bed with your lover, the last thing you want to do is turn them off. Not everyone is clear on his mind on how to have sex which feels great.