My first recognition of age setting in was exactly on my 36th birthday. I have no idea why on this day of all days I looked in the mirror and realized my face no longer looked young.
I'll never forget my 24th birthday when my tooth got punched out. And for a second I was like it would be really hilarious if I sold it on eBay. But I can't that's just too creepy. I don't think I can go there.