You see Taehyung who is helping a girl, you know the girl likes Taehyung secretly. actually you wouldn't be jealous but taehyung accidentally hugged the girl because taehyung almost fell. After that incident, Taehyung approached you from a distance "jealous?" pause "I'm just helping her, don't be too jealous" he said firmly, but you look cute when you're jealous. so, Taehyung was just testing you