Alternatively, it's a bit of Future Shock I grew up in the 90s, & maybe I'd do better as a 20 year old in 1991 rather than 2031 (too young to say 20 in 2021; I

Alternatively, it's a bit of Future Shock I grew up in the 90s, & maybe I'd do better as a 20 year old in 1991 rather than 2031 (too young to say 20 in 2021; I've succeeded already close enough to there), but I'd rather grow up in the 2000s than grow up in the 80s There's a kind of arbitrage, where if I could take my technical abilities from 2010 back to 1990, I'd probably do pretty well. I'm not so sure about taking those abilities to 2030. So you need to frame your question more clearly: at what age does the time travel occur? For simplicity I assume the only age you've given: 20. If it's about when we're born, then that's a completely different human being