Struggling with the "Why" of Marriage or Children

I'm 41, never married and no kids. I stay in decent shape, average looking guy. I lived in Asia for 10 years for business and did quite a bit of dating there. Definitely had a higher sexual market value when I was there as I was "exotic" and I speak Mandarin. Came back to the US during covid. I own my own online business and can technically work from anywhere in the world as long as I bring my laptop. I accumulated a couple million dollars so I don't have 9 - 5 pressure.

I'm in a relationship with a woman thats fantastic. Amazing cook, great family woman, very attractive, makes me laugh, average not great sex, and I think she will be a great wife and mother. We have been together a few years so it's a "shit or get off the pot time"

I can see my life going two very different routes right now. One route is settling down, starting a family, accepting that I'll never sleep with another woman again for the sake of the relationship and future children. Have a kid next year, buy a house in Vegas, become more of a family man.

The other life is me getting a condo in San Diego, traveling the world, meeting different women, continuing to build my business empire (this excites me more as a single man), and accepting that maybe I just never marry or have kids.

The first option is a safety play. It's "normal" in society, but it doesn't come natural to me. The second option is the easy play but probably because it's easier to meet new women than it is to maintain a healthy marriage and fatherhood.

What was the "why" for you, with whichever route you chose? I don't want to regret missing out on fatherhood, but also don't know that giving up this free life of exploring the world alone is something I can give up.