1 Young Jamie: Where are we, Adam?
1 Young Adam: Roswell Army Air Field. My grandfather was a base scientist here in 1947.
2 Young Jamie: Really? By an astounding coincidence, so was mine.
3 Young Adam: Wow. What are the odds of that?
4 Young Jamie: In this universe, I'd say it was probably inevitable.

Yes folks, two grandfather paradoxes, no waiting!

But that's not all!

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2023-08-19 Rerun commentary: I think I must be being set up for some sort of time travel thing, because I discovered recently, as in just a few days ago, that I don't know who my own grandfather is.

I grew up with a maternal grandfather and grandmother who we visited frequently, but both passed away some years ago now. And the last time I saw my mother, she confessed to me that the man who I'd thought for my entire life was my grandfather was not really her father. Apparently her mother had had some youthful dalliances that resulted in my mother, and my "grandfather" had formally adopted my young mother when he had married my grandmother. Nobody in my family ever spoke about or indeed knew about this until my grandmother had confessed it to my mother, who then kept it secret until now. My mother never wanted to find out who her biological father was, and with the passing of my grandmother all knowledge of that is now gone.

So... if I ever travel back in time 80 years or so... I better be sure I don't accidentally kill anyone male.