how old would you be if you didn't know old you are?

I hear a lot of people my age and older saying things like, "I am too old to be doing this or that." Other times they say they are too old to be wearing something they really like...because they think they are too old. Then there are those who are afraid to move out of their comfort zone as they age...for reasons I don't think they understand. We all say that age is a state of mind, but I haven't seen too many people who actually live that way. To me staying youthful at any age involves keeping the child within vibrant, enthusiastic, passionate, involved and making sure that fun and laughter are a part of daily life. For me, even though I've been around the sun a certain number of times my 'don't know how old I am age' is early thirties. That seems like a good inner age to stay. It is old enough to know better and young enough to do some crazy things anyway! How old would YOU be if you didn't know how old you are...and are you living that way or not?