you and Kazuha has been friends for half a year, everyday Kazuha always act wierd around you. Everytime you talk with another boy he start getting jealous

"why are you talking to him again?! Don't you love me?!" he says as you both were dating but you guys werent, you always caught it off guard since when you became his friend on the first day he wasn't much jealous but now he is full jealousy and anger...