There are a number of things that serve as evidence for that title: size two diapers, six month onesies, and sleeping for six hours at night are a few that come to mind.
But here's another one.
Luke slept in his crib last night.
So we were left with our bed or his. And since I keep hearing the Baby Whisperer say, "Start as you mean to go on," in my head, it was definitely his.