“I honestly don't think it's how long you are alive so much as how far the legend of your deeds spread to the mortal realm.”  Yuriko says in response to Amy's query. “I mean think about it this way Cleo has lived for over 2000 give or take years and is just on the cusp of breaking into godhood. Yet I am not yet  even 22 years old yet and am almost at the same point.”