okay so I was just masturbating and I used my hand to make a wall so I didn't make a mess. I tried to cover my dick leaving like a 1cm gap but I accidentally completely covered it, and some of the semen was blocked from getting out. I know this is a bad thing to do, and my dick now hurts - it feels like I need the toilet, constantly. been like this for just under an hour.
what can i do?