Mumbai, April 20 -- Veteran filmmaker David Dhawan heaped praise on his son and actor Varun Dhawan while speaking about their collaboration in 'Hai Jawani Toh Ishq Hona Hai', highlighting their strong bond and mutual respect both on and off screen, even as he hinted that the film could mark his final directorial venture.

In a conversation with ANI, the ace director talked about their relationship while working together on the film, saying the two share deep mutual respect both on and off screen.

"A director always wants a good actor, that's the first priority. Meri uski tuning ho gayi...ye bhi nahi ghar ka bacha hai karega hi..vo bhi question karega hi hak hai uska.. 13-14 film kar chuka hai(He's not just my son; he questions, he unders...