Saw this over at Woman on the Fence, and found it intriguing. If I had to throw a number out there, I'd say about 35. I think that I've felt that age since I was about 8. I have a picture of myself when I was around 4 that looks like I think I'm about 27. I've only aged a little since then. ;)
So, "How old would you be if you didn't know how old you are?"
BTW, you should be hearing that in a British accent. I've been watching too much PBS, and that's how the voices in my head sound right now. ;)