Tooth fairy

The tooth fairy takes,
but she gives in return,
no prices for guessing,
but somehow you just had to learn.

Here I am sitting
in my favourite bar
with two really old friends,
we're all looking younger than we are.
Then the rocket is launched
a big hole in your smile
that once was so pretty,
but I guess I've been gone quite a while.

So, the tooth fairy takes,
but she gives in return,
no prices for guessing,
but somehow you just had to learn