I recently shared some photos of my girl's first day of kinder. It's a definite right of passage. You're no baby in kindergarten.
You've left preschool and all its dirty diapers and baby talk behind. You're rolling with the big kids.
The only other thing that could possibly impart as much grown-up bravado at this time of your life is this:
Yep my baby lost her first tooth. (sob)