hi m a boy of 18 age, i m having masturbation from 14 years old, but it causes some problems in my regular life,i think i loss my natural growth for that bad habit .i feel bit nervous when i see my classmate is taller then me but only one year ago he was shorter then me.n another think that i m too weak to memories anything n too weak in math ,it hampered my study ,please help me to get rid of this