I have done some research on this,and what I found out is herbs such as Horny Goat Weed,Maca,Ginseng and other sexual herbs work best,it also helps to take other vitamins and minerals,just being all around healthy and not smoking and drinking,and gettin Exercise helps alot,try running ,and I'm pretty sure after you're done you will feel "happier",oh and garlic seems to help me to,try searching Google,there's alot of info on this,good luck.