I am 18 years old and i started masturbation when i was 14 , since i started masturbation i wasnot know every thing about it till i reached 16.5 then i explored that is bad and harmful from surroundings people since my age was 16.5 when i masturbate i was watching porn and every time i masturbate i wanna extend the time of the sexual pleasure so i was doing the edging just to increase time of it .. now i am 18 years and i am masturbating every 11 days to make each masturbation enjoyable and pleasent but i am a little bit concerned about the premtaure ejaculation .. I think i have it !?