Actress Katrina Kaif, who will be next seen romancing Shah Rukh Khan in Yash Chopra's directorial comeback 'Jab Tak Hai Jaan', said that she feels the veteran filmmaker should not retire. Kaif also narrated an incident during the shooting of the film, when she was nervous and could not enact a scene and Yash Chopra started cracking jokes to lighten up the mood. She gushed about Chopra and said that he was quite perceptive and understanding.