Yep, I would fork myself.
Merging and deconflicting if you want to reunite forks could be a fun problem to solve in the future
Future person: "Who are you?"
Future forks: "One of us."
(Thanks to I, Robot for a cute scene.)
You might enjoy the Bobiverse trilogy: https://www.amazon.com/gp/product/B0753LBFQ7/ https://www.amazon.com/gp/product/B0753LBFQ7/