Hey Pandas, What Is The Best Way You Have Gotten Revenge On Your Ex?

Ok so i'm only 11 but have dated 3 boys in 2nd and 3rd grade my 1st bf in 2nd grade said he didn't love me and had cheated on me ok broke up. The next day on a saturday, we were neighbors but 2 houses down, i had set up a prank put slime in a bucket on top of his door ding-dong dicted him, got covered in slime but now he is 100000000000000000% terrifed of me and he is in my class so i treat him like a butler.