1. Jock x nerd
Person A is a huge study nerd while person B is a jock and a bully towards person A. Even though they used to be good friends
2. Jealousy
Person A sees Person B hanging around with (insert character here) and gets jealous. They confront person A about it.
3. Promposal
Prom was almost here and Person A wanted it to be perfect. Person B had no idea that person A was gonna ask them to prom.