Is it Really Time? It Can't be Time Already?!

You know its time to think about transitioning from a nursery to a "big boy" room (and possibly potty training?) when your 2 yo is on the changing table, and as you turn your back to help another child, he climbs down from the changing table, runs to the bathroom, climbs onto the potty and by the time you jettison in, he is peeing in the potty.

"I had to pee!", he shouts with glee.

OMGoodness.  

Mentally, I'm not where he's at.  I've been doing diapers and had a nursery for almost 11 years and I'm not quite ready for this.

*sigh*