Taeyong :
Taeyong wouldn't want to be super obvious about him being jealous or uncomfortable. Although it would be obvious that he got colder. He'd be killing the guy with his eyes right in front of you. Hopefully the guy would notice otherwise he better watch out.
WinWin :
He'd turn very clingy. Totally turn very fake nice to the guy that was being way to friendly. If you wouldn't notice the fact that Sicheng was very jealous and upset he'd probably make up an excuse to get you two out of this situation as quick as possible.
Yuta :
Gets a bit of a big mouth when he sees someone getting too friendly with you. Will walk up to you and wrap his arm around you and slip in that he was your boyfriend somehow. If the guy didn't catch on Yuta would straight up tell him to get lost.
