A friend of mine follows the Jewish custom of giving her sons their first haircuts on their 3rd birthday. It's a big milestone and she described it as representing another step the child takes to independence.
We've given M2 several haircuts now. But, I've been thinking of my friend's tradition a lot lately. He's becoming all boy now and transitioning away from his toddler-hood.
Papa gave M2 a trim over the weekend in preparation for Thanksgiving and his birthday. And there, afterward, practically 3.