Last night we were playing in the bedroom. I was tired, so I lay down onto the bed. He frowned, and made that vague whining sound he makes when he doesn't have words for what he wants. In this case, it was "sit up and play with me!"
"Daddy's tired," I said, not moving. A smile spread across his face --- it's a game! He flopped down next to me, right into the crook of my armpit.
We lay like that for quite a long time. Probably 15 seconds or so. Then he popped his head up and looked at me. I feigned a surprised face, he laughed. . . . et voila! A new game is born.
So for the next ten minutes that's all we did. Both of us pretended to sleep, he popped his head up, I pretended to wake up in surprise. We ran this routine like 100 times, I'm not kidding. It got really old.
But it's been teaching me a lot about patterns. Kids need structure, like it. Patterns represent structure. And the undermining of patterns is humor. Hence, establish a pattern (we are sleeping) and then break it (wake up startled). It's simplistic, but it has actually helped me think about adult humor in certain ways.