Since we're derailing this...
I remember this girl was on top, but I was sitting up, and I can't remember if what happened next was because she came or just the timing, but I looked down and saw blood everywhere. I'm not going to lie, I was 24 at the time... and I started screaming. Why, in turn, did she start laughing hysterically as I was screaming and trying to get from under her, but I was leaning and flailing backwards trying to escape, but couldn't because she was sitting on part of my legs at this point. I finally got loose, she was still laughing, but was also apologizing for her period, saying she hadn't realized it. I eventually calmed down. Still feel some type of way about how much she started laughing while I was trapped and screaming. Felt like a feminist get back.