I don't know any astronauts. There are a lot of people who say they want to be comedians.
I don't know why, it's the same reason why you like some music and you don't like others. There's something about it that you like. Ultimately I don't find it's in my best interests to try and analyze it, since it's fundamentally emotional.
First of all, you have to understand that I'm like anybody else. When I hear my voice on a record I absolutely loathe my voice. I cannot stand my voice.