"A happy marriage in the industry would really jolt me. I'd be like, 'You're a dinosaur, get out of here'," Karan said at the India Today conclave on Saturday.
Besides being a successful director, producer and writer, the 44-year-old is the son of acclaimed late producer Yash Johar.
The actor also talked about his new experience as a father to twins via surrogacy earlier this month. The daughter has been named Roohi - a rearrangement of Karan's mother's name Hiroo and the son has been christened Yash - on Karan's late father's name.
"I am a mother to my children before being a father. The vacuum within forced me to take up parenting," he said.
Talking about love, the "Student of the Year" helmer said "Love is a beautiful thing. I love people who love. Self-pity is the most wonderful thing to be in, but one has to get out of that zone after some time. In today's time love can't heal everything, rather hatred can."
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