Shows that you are really bo liao --nothing better to think about or do, or so desperate since you can't find a hole to rub it in.
If you are so active, you shld channel those testosterone levels into some sports.
Masturbation like billiards is a sign of a misspent youth --in yr case, er, adulthood.
which come to think of it, at 37, how come you are not hitched and pumping yr mate??