Your friend was dating Matt for 3 months. You were always jealous of her because you were crushing on Matt for over 1 year. He didn't really like the relationship with your friend, because she was annoying and pick me, kinda dumb..instead, he eyed you for some time...You were like a "yandere" towards Matt.. Yandere: obsessive, crazy for someone. You can kill, posses or even do something bad to everyone for them.