The 42-year-old actor said though he has enough practice as a father courtesy his two elder kids, daughter Malina, 5, and son Keller, 2, he is still practising, reported Us magazine.
"It's terrifying. It should scare the hell out of you. But it's amazing. There's nothing else I can think of that has that juxtaposition of being at once terrifying and the worst thing you can do for your happy life and the best thing you can do for your happy life to make it even better."