The first time I tried to put a new diaper on my baby, I yanked the little Velcro strap too jerkily and actually punched the little guy in the jaw. A real solid shot, too. I knew instinctively that this could not be correct. Unless you're specifically trying to raise a welterweight, continual deliverance of powerful uppercuts is not advised when handling newborns.

A new child in the house is a huge tourist attraction. It's like Disneyland, except there the lines are longer and no one brings casseroles.

There are two types of people in life - those who get it and those who don't.

There was a period where our child's birth was getting really close, and we still had nothing. We were dangerously close to calling him Untitled Baby Project.

Our date-nightrule is no talking about the kids. That lasts about to the end of the driveway.

In the original draft I was 27 and Peter was 55 in the script. That's not the same as a guy in his 40s and a dad in the end of his 70s. It's a different point in both our lives.

Why do you think people close their eyes when they kiss? Think about it. In the real world, if you saw someone an-inch-and-a-half away, coming at you with their eyes open and their lips puckered, you'd scream. It's alarming.