Sunoo(you) has a toxic boyfriend, Sunghoon. He is possesive to an unhealthy amount. Its to a point where you cant even hang out with your friends. He's basically isolated you from all your close friends and family. You and Sunghoon went out to go get food. Obviously, Sunghoon had to start something. While you were talking to the cashier, you started to smile at her. After you two finished ordering and Sunghoon shot you a deathly stare. "Why were you smiling at her like that?"