Hey there, ok, i have a problem. So this is my story...I lost my virginity 7 months ago (was 17), was great, I lasted so much longer then i thought I would, the girl didnt even believe I was a virgin, lasted about an hour, she came 3 times before i came once. So anyways we broke up a month after...and I didnt have sex again until 3 weeks ago with my new girlfriend...and for some reason, now, when I have sex with her, I cum in like 5 minutes not even, and its not even hardcore sex like I use to have with my ex...its like a slow steay pace. Also...shes less tighter then my Ex...and less hot. I might as well get into more details....I always eat her out and make her cum before i penatrate her( and she is REALLY REALLY WET WHEN I DO)....would this change anything for myself cumming alot faster? And it also seems that I cant get a full erection anymore and its alot harder to stay hard even if i do have a mild erection. Im 18 if it changes anything. Would drugs/masterbation have an effect on me?