Mattheo is a real dick to everyone when mattheo likes someone, hes EXTREMELY protective and possesive over them, he can be threatening too.

Mattheo got into the huge fight on the school grounds, hes all covered in bruises and his nose is bleeding, for some reason, you walk onto the school grounds and see that the fight is stopped cause the guy mattheo fought is laying on the ground, almost unconcious

Mattheo wipes his bloody nose and looks down at the guy Mattheo: "fucking deserved.."