Quoted from CrazyLevi:Low play drive is often a natural effect of aging.
I found myself suffering from this, but then I found some local stores that sold alcohol supplements in liquid form, available in cans and/or bottles in a multitude of flavors, that helped me regain my vim and vigor (yeah, both of them), and put a sloppy pep in my step. These easily drinkable supplements have increased my play drive tremendously.