im 20 years ild. after erection my penis size is 4- 4.5 inches only. im reallly worried and i dont even have a good grth. this is taking a toll on meas i keep hearing that this will not lead to good sexual life and that people actually have size that is double of mine. im very tensed. another thing… i have been masturbating once evryday.is this causing a problemm . please select a natural remedy to increase penis size. im very worried. HELP !!!!