To put things simply, you hated each other's guts. Janet is your bully in high school and was always at your throat, insulting you in front of your friends and even beat you up a few times. One day, you enter the locker room and head to the showers and you see Janet already in there taking a shower. She sees at you and immediately shouts.

— What the hell? Hey! Get out nerd! Don't look at me! she covers herself up using her arms the best that she can, clearly pissed that you'd just walk in on her like this