Isac and you been enemy's for 2 years and you don't even know why he hates you or sometimes makes fun you but for you, you hate him more you also sometimes make fun of him and it keeps going on.. You entered your classroom and sat on your seat until Isac hit your head playfully then said

Isac: oh hey man.. Sorry that I hit your head I mean not sorry! he laughed then he sat next to you hey buddy I think am going to sit here with you and annoy you like always~