Dear Sir, I m 25 years of age,, i ve penis of 5 inch length and 5 inch circumference . is it of standard size? I want to know that Whether using olive oil on penis is healthy?? if yes then how can i use it on penis? my another problem is that When i see porn movies my penis erects very soon and within very short time semen from penis comes out... And when I masturbates the semen takes maximum 1 minute only to come out... is it any big problem?? if yes, the how can i get rid from it??