I am currently 19 years of age. I have been masturbating every day or every other day for 8 years now. Sometimes I went through phases where I would masturbate multiple times a day and I think that it has started to cause problems with how hard my erection is and how quickly I ejaculate.

At times, my erection is hard, but lately I have started to have problems getting the urethra hard. I don't understand what it is but I decided that it must be because of the fact that I may have over-masturbated over the years. I am going to try and stop although from what I hear, its extremely hard to do. Any ideas on what my problem may be with the urethra??

Also, while masturbating, I usually only can masturbate for 5-10 minutes before I ejaculate. That seems just a touch short for me. Being in college, I think I become less comfortable getting closer to women because I am afraid of what will happen when I have sex. This could be a psychological problem but I am not very sure.

Any help would be great, thanks!