^^^ yeah, what he said lol! I did hear that as well...bottom line, it truly is the fountain of youth...healthy sex life = youth and vitality, and a whole lot of smiling
it is true after sex you do get de-hydrated and you do shed calories so its a good idea to eat after sex and don't just go to the gym after and expect to have a great workout. of course some guys say they have better workouts after sex, so you should try it yourself and see..
but if you are asking what happens with ME I have my best workouts when i am fresh and don't do any activity prior, have a great nights sleep, and eat very well.. i seem to react well to carbs before a workout too which gives me energy for the whole workout and i dont run out of gas.