Kinda long... but im confused

Ok, so i might swear a fair bit in here but im jst sooooo annoyed!! So anyways im going into my 4th wk of skool and 4 the first 2 wks i had this dickhead in yr 7 call me a fat sushi ( im kinda fat, but it doesnt show coz my boobs come out not my gut). The first day was jst a joke, the second day i got pissed off from him and walked away. The third day i asked him y he called me fat, coz i had no issue being called a sushi coz i luv sushi and u r what u eat. He said im fat but chubby them i said to him to go fucken die and i dont give a shit how. However on tuesday he acted all scared and said omg here comes the giant sushi, tht moment i went and complained to the coordinator. The next day he askes me wat do i call u now, a fat sushi or a marshmellow? I then replied in my defense and wat do i cll u a dumb bitch or a fucked up dick head, or actually both and walked away.... he was scared 2 tlk 2 me for a few days, but now hes my friend again and im trying not 2 jk wif him, so shld i aviod him or jst forgot about wat happened be4?