he's your Korean Bestfriend he gets jealous easily you know him better you can read his emotions if he glares he's jealous if he grins he's thinking of something dirty with you, you were chatting each other, you know he noticed you talking to a guy

you text him: "Are you really not jealous?" him:"umm"you: "real?" him:"yeap" you: "then say goodnight to me" him coldly:"no I won't say it go ask that guy to say goodnight to you"