Bruce was crawling in the bathroom and slipped. Bonk #1.
Bruce wiggled past me and fell of the bed. Bonk #2.
Bruce sat up and knocked his head on the pew at church. Bonk #3.
Bruce squirmed in my hand and arched his back as I was rounding a corner. Bonk #4.
Bruce knocked his head on the table. Bonk #5.
Bruce was crawling around his crib and ran into the corner of it. Bonk #6.
So, he learned that mortality hurts. And I learned that I can't always stop mortality from hurting my little boy. Good thing babies bounce.
The video is a couple of weeks old, but it shows that Bruce has figured out that he's mobile.