simple. 3rd grade. girl lives 2 doors down from me, we play with each other on the street (90s) with other kids in the neighborhood. girl sits behind me in class. girl pulls chair out from underneath me when i go to sit. i laugh including everyone else and the teacher. it happens like 3 more times, haha everyone laughs. i do it to her... she falls and cries. nobody laughs. teacher looks at me like i'm a criminal. "but she did it to me 5 times before this" "it doesn't matter! you could have seriously hurt her!". basically set the stage for women for the rest of my life.
Canada