'Kapoor and Sons' special to all of us: Karan Johar

"It used to take 3-4 hours every day, and it is tough for an artist to sit on the chair for that long and on top of that, to perform with all of it on your face. It needs a certain kind of experience and tremendous talent, to perform through that. It was a specific look, and Chintuji looked convincing," Karan said.