What is the best remedy to rehabilitate a body from prolonged and frequent masturbation?

I am 39 years male and practiced masturbation since teen age. i quit it in my twenties while i was with my girlfriend but continue it again since late twenties after a problem occurred in my family leading in major shift in my life to the worst. Left my job then after practicing masturbation as means of relief from the stress but aggravating it instead. Now i want to lead normal life but the prolonged and forceful masturbation over the years led my body and my mind to exhaust and my once strong comprehension ability seems evading subtly. So i need to know how to recover from these problems at any costs?