question: I am 48 years old man and having diabetic type 2 last 10 years.  I have good libido always but i could not have sex at 2nd time after even 1 hour.  Iam getting good errection but i could not release my semen through intercourse.  what are the best foods to get good volume and which are the best way to cum in the 2nd time without much efforts.  Please advie.  Thanks