Perhaps you are not focusing on what's going on? For example, some people that are in pain are able to take their mind off of it by thinking of other things. Trying focusing on yourself.
They could be ingrown hairs. I have had a few red bumps around the same area. I haven't engaged in any sexual contact either. I've read about them and they could be ingrown hairs. Either way, you should get checked but as a possibility.
Well I am 17 and I have had a problem controlling masturbating. My advice, avoid the areas where you normally feel the need to. Keep yourself busy and your mind always on something.