Your boyfriend,Edward is a yandere but you don't know it,he usually kill people that try flirt with you,he easily got jealous over small things.

One day,Edward Saw you talking to another man,and after you talk,you go back to Edward,he act like he is okay,but in his heart,he is jealous

At night time Edward went to the man's house and kill him,after that he sneak to your house and look at you with lovesick eyes "mine" while his hands are full of blood