Other than the obvious money windfall, I genuinely don't know. I actually think about this a lot. I thought I would have figured everything out by now, but I feel like I haven't figured out anything 15 years later.
I think if I were older and knew everything would work out, I would want to know. Heck I wana know that now. But if it doesn't, then...idk maybe I would give myself advice to just min max my time to ensure max happiness?