I'm a 15 yr old male and I have been able to make semen for about half a year before I had the ability to sperm my erections would be at a 2:00 or 2:30 then I started to be able to make semen and stopped paying attention to if my erections were standing up until a month ago now it's only at a 3:30 or 4:00 is it just because not enough blood Is getting in I have never smoked, drank, done drugs, or overdosed can I make my erections be at least at a 2:00 or 3:00 what can I do should I be worried I mastrubate about 3 or 4 times a week and don't usually have trouble climaxing let me know what I can do or if there is any other information that I need to provide