Malcolm: Dad, please, you don't have to do this. We love this car. We promise we won't try to drive it until you say we can.
Hal: You think your mom and I were born yesterday?
Dewey: How can you do this?!
Hal: Boys, please. I know this is hard for you to understand, but you're just going to have to realize that your mom and Susan are crazy. The sooner you learn to accept that, the better.