Youngbin: Licking lips
Inseong: Sleep talking on sleep
Jaeyoon: Opening his mouth when he have a poker face on
Dawon: When focus on something, he will close his mouth tightly
Zuho: Like to clean
Rowoon: Chewing on left side only when eat
Taeyang: Blinking his eyes
Hwiyoung: Using cold water to wash his face at the end
Chani: Spacing out