Probably the time I had an ulcer.... To give you an accurate description of what it is like to have an ulcer, imagine a match being lit inside your stomach and touching the inner wall, never going out, and then imagine someone is kicking you in the stomach at the same time over and over again. On top of that, I was vomiting greenish yellow fluid every hour or so, and I dared not eat a thing... Went to school like that for 3 days before I got to go to the doctor.... I was prescribed a pain killer and an obscure medication i don't remember the name of.... Went back to school on Friday, skipped out of last hour to go home and curl up into a ball, because of course it got worse before the meds could take effect... Started vomiting blood that night, and finally on Saturday morning it started getting better.... A week later I was back to my chipper self...... I wouldn't recommend it.....