When a man is having sex his testosterone goes up. Immediately after orgasm, his T (testosterone) levels go back to normal. And when a mans testosterone levels decrease, he feels less like a man. He feels the need to pull away and may even lose interest for a while.

Do men lose interest if you have sex too soon?

The “chase” is when a man subconsciously forms his initial emotional attachment for you. But if you cave in for sex too soon, he may lose his original interest in you and his motivation for the chase. Holding out makes you look like “relationship material.”