Yeonjun

Yes.

Reason- It's always light and playful and makes you laugh.

Soobin

Indifferent, you don't like or dislike it.

Reason- He doesn't do it a lot and when he does, he more wants other people to see you're his. 

Beomgyu

Yes.

Reason- You find it cute when he does it because you know he's jealous of someone.

Taehyun

No.

Reason- It always meant you're in trouble with him.

Kai 

Indifferent.

Reason- He just likes it so you've just gotten used to it.