i used to do hand sex before.i stop it for a year.now aday it is occuring a week after.now i am 19 years.but iam growing faster.my skin are starting to develop wrinkles.i am feeling old too.due to lose of my memory,my body are increasing too. help me please .how do i stop my semen.i have stop eating spices food taking a lot of water but it is not helping.how do i prevent it