SEE ALSO: NewJeans reveal preppy funky concept photos for 'How Sweet' & 'Bubblegum'

While eating at the food court, the actor confessed, "I actually have been suffering from panic disorder for quite some time now. I even had to take the ambulance when I was traveling in the U.S," alarming the members.

Cha Tae Hyun continued, "While I was in America, I fainted 30 minutes prior to an event I was supposed to MC. I didn't know it was panic disorder at the time. I thought it was just chest pain."