[She's not even surprised by this considering how others react. She can't talk because she knows she's trying to understand others too!]

Oh! Let's see...they do. If we are not taught by our siblings, then we are taught by our bosses and their families and associates. Many humans know who we are. [It's almost like celebrities!] So they understand how we age.

[And it's actually rather sad, to see someone pass on before them.]

You're also right, at least my own existence is over 1000 years. Greece isn't here, but the ancient civilisation was his mouther.