FWIW, I regret not having had kids yet. I am also weirdly unmotivated by opportunities to spend money, which is both how I got this passive income and lack of

FWIW, I regret not having had kids yet. I am also weirdly unmotivated by opportunities to spend money, which is both how I got this passive income and lack of rent, and why it's borderline enough for me. FIRE is very easy when all your working life, you only spend rent+50%, the rest of your paycheque going to savings and investments; but most people can't do this.