Really?

[ He surprise is genuine, but it comes with a thoughtful noise before he continues. ]

It is indeed. I have lived thousands of years. Long enough that I truly do not know how long. Tracking the passage of time simply was not of interest to my kind. We only began to do so once humanity started to do so with any consistency. [ a shrug ] I may have been alive for a few thousand years, or it may be a geological age.