When I was in grade school.. I must have been about 11-12, we had the sex ed talk where they explain how girls become women. The boys were sent out of the classroom and all the girls moved to the front. I made sure to sit in the desk of my crush.
Well, I was young and the teacher got a little too detailed for my sensitive ears. She went into great detail at great length about periods and while this wasn't exactly new to me, all the details were. They had this movie that we watched and it went into such anatomy detail that I started to feel faint, but was too embarrassed to excuse myself. Finally I couldn't take it anymore and ended up puking. All over the love of my young life's desk.
Well, it was pretty bad. The teacher had to stop and it had to get cleaned up and of course everyone heard all about it. I was only 11 and pretty naive. To this day I'm not sure why it affected me so much, but it still haunts me.
The story changed over the years and all through high school, people knew me as the girl that puked when they passed around a tampon. (Which did NOT happen, it was the movie, I SWEAR)