I was circumcised at 22/23. It sounds like a joke horror story but it's not. I had a hard night of tequila hilarity, woke up in a strange bed with no clothes on and freaked out a little. In my still half asleep/half inebriated state I pulled on my jeans (without underwear) and my foreskin got stuck in the zipper. Like - zipper wouldn't move and there was lots of blood stuck.
I couldn't find anyone in the house (and I didn't particularly want to) but I realised I was only a few blocks from home so I ran back and drove myself to the hospital.
The surgeon told me he could repair it but there was a risk that the scar tissue would make retracting my foreskin more difficult after healing and he recommended a circumcision instead, so, after a few panicked minutes of thinking, I told him to go ahead.
Lessons learnt? Don't drink tequila. Don't forget your underwear. Don't drive while under the influence. Do any of these things and your foreskin can be removed!