The Andria Doria capsized and sank on the morning of the day I was born, and this year I can officially ask, "Will ya still need me, will ya still feed me..."
I would do what my youngest did up until a couple years ago.. hold my hands out and say:
"I AM THIS MANY YEARS!!! THIS MANY!!!!"
Alas, I don't have enough fingers. Though thinking about how he did it.. the number of fingers didn't really correlated to his actual age, but perhaps the yelling/volume did. So...