hi! i am doing wanking from age of 13 and it has been 2 years i really really want to leave it i cannot memorise my school topics well ani have become slow and waek i even cant play football well my i cant think quickly means my sharpness has become less and endurance has been destroy iam very waek i REALLY REALLY WANT TO LEAVE IT. Please help me and i will be very very thankful to you.