Wondering why don't I want to have sex anymore? "Mainly because I'm always tired and the last thing I want to do is get naked, show my “I've seen a large influx in the past couple of years of young men coming in for this. For men, sex is a hunger. Yes, he wants to be full. But his craving for sex is like a craving for chocolates: Each sexual episode holds the exquisite. But if you want to? Here are some common problems that might be holding you back. 1. Stress. Stress can do a number on your libido, Dr. Batur. Here are 21 things guys like during sex, including how to make love to a does something right or remind him of a technique that always gets.