I have also noticed after you ejaculate, not only your body feels depleted and want to sleep, when I look in the mirror I can see my face getting older and my energy is darker, you are literally being depleted of your life force, although it is different for women as they can have orgasms without wasting their life force, kinda unfair if you ask me, and yes there are kegel exercises that men can do to separate orgasm from ejaculating but thats work that you have to do, daily practice, lots of discipline, if you forget a day or 2 your body will regress a lot so you have no choice but to constan