Hi Doctor,My name is Dan, And i am a 25 Year old male, And about to marry in arround 5 Months, My problem is that from the age of 15 , I Masturbated A lot , Even Over Mansturbated, Resulted in weakness, Lazyness, Eye sight gone weak, Stomach cant digest heavy foods anymore, The most biggest problem i feel is that I have my both knees producing a Crackling sound when bend, Although there is no pain at all in the knees, but whenever i masturbate the crackling voice becomes greater, And when i give rest to my body, it goes down to a little less. Btut i am only worried about my knees now, because they are getting weak , I want to get rid of this habbit, and i will i know , but i need to have a permanent solution of how can i restore my knees,so that my knees can be Perfect. thanks a lot, and i will really appreciate your help and advice.