Now I am 24. I was masturbated from 14 years. Actually I don't know about the effects of that. So I was do that daily basis. After two to three year I know about the effects of that and from then I do it two to three times in a weak. But now when I sex it falls only after one to two minutes. And also I have a small pennies. If I don't masturbated then it occurs night fall every weak. Now I am afraid about it, what to do about it? How can I increase my pennis size and sex time also. Please suggest.