Have you found yourself saying, "Not tonight," more than usual? It might be something you ate. These days more men suffer from a decreased sex drive, and some of the major culprits are as simple as what they’re putting into their mouths. Foods can negatively affect your libido, especially as you age, so it’s important to find those ingestible perpetrators and cut them down, or out, of your diet. Testosterone levels affect sexual desire, so anything that depletes these hormones in men can eventually zap their desire for sex. We talked to several experts to sort out what foods to steer clear of if you want your bedroom mojo in top form.