What is something you’ve been thinking about for your whole life and to this day haven’t been able to figure out?

Ever since I was like, four years old, I remember being like, “why is THIS, specifically, my life and my body? Why not someone else?”

Like, not in a “my life sucks” kind of way, more like…how do souls work? How did my existence come to the thing it is, and why is it limited to this time and body?