I was thinking it over, trying to figure out what I hated most about my period and thought it would be fun to ask everyone else. #1 can be any physical symptom(break outs, diarrhea, sore breasts, etc). #2 can be anything ruined by period blood or the fact that it's just messy overall. #3 is the cost of buying pads or tampons or diva cups and then having to changing them however often you do(like waking up in the middle of the night). #4 just being emotional, fatigued, having cravings, overreactive, etc. #5 you just love your period and everything that comes along with it.