The third milestone says:
Screaming Baby to Stroppy Adult
Rough Road Ahead
I couldn't have been paying attention when I stubbed my toe on this one. The birth of my son came as a big surprise to me. I'm still not sure what caused it. My wife tried explaining it to me but it sounded so far fetched that I didn't really believe her. But, to be on the safe side, we never did that again!