Guess what made him laugh for the first time ever? Me burping. He thought it was hilarious. So I kept doing it, just to make him laugh. Next thing you know I'll learn how to to the abc's while belching, just to get a laugh out of him. I'd heard motherhood changes you, but really now, burping for laughs?
They drool. They shout. They alternate between I love you and I hate you. Obviously they pee their pants. Eventually they tire themselves out and fall asleep.
Here's where they're different: babies get rocked to sleep and all is well.