Good Luck
One last thing for him, try him on some
Green tea,
and serve it with Root Ginger with honey
and lemon, the green tea and Ginger will help with his erections, and for a extra kick, if you can get hold of some herbal Tribulus, make a big tea pot, 2 pints with Green tea, and give that to him through the day.
A tip for Root Ginger keep it in the freezer and fine great it from there, to the size of an egg and micro wave 30 sec it with the lemon.