Blood coming from penis shortly before ejaculating

[James055]

I am 14 and started masturbating at around 12. I used to do it every day but I have recently narrowed it down to maybe skipping a couple of days between every masturbation. I have never had sex or sexually interacted with anybody else. I cannot pull my foreskin all the way back.

Around 1 hour ago I was masturbating and was very close to ejaculating. I then realised that there was a ring of blood around the edge of my foreskin and on the head of my penis. I then almost instantly lost my erection but carried on masturbating but was able to ejaculate without an erection. Like I said, I can't pull my foreskin all the way back so I wasn't able to find out the cause.
Since then the part around my pee hole has turned red and swollen into a point. This is the first time both of these have happened

Also, since I started masturbating my penis has curved to the left into a weird shape.

Are any of these anything to worry about. I am scared to go to the doctor as that would mean discussing it with my parents and I don't feel comfortable doing so

[James055]

UPDATE: The swelling has gone down but now the corner of my pee hole next to my frenlum has turned red.
I just urinated and there was no pain or blood in my urine.