Sir I Am17+ And I Am Having A Very Bad

Sir i am17+ and i am having a very bad habbit of shaking my pennies and taking out the sperm from last3-4 years and i have tried allot for controlling it but i always failed to control these habbit and now i am really want to get freedom from this dirty thing ,and cause of it i became soo thin , i want to stop it and i want to grow my body well and developed i want to become healthy so plz help me and give me some tips to control my bad habbit i will listen to ur words and try to follow that .

Thank you