This one almost comes off as a "no duh" when you think about it.  If you're tired of supplements, if you're just not getting results with your workout...try PORN!

Bigger muscles, tighter buns, whatever you are looking for, Porn is one thing that your body will respond to. Yes, sweet, sweet porn will make everything better. Just tell your wife that its what you HAVE TO DO in order to get a better workout. Here's Heathen to make it scientific and stuff: