Sure, it'll be hard to find a woman and marry, but at the same time you're travelling, being involved with a lot of people. It's a lifestyle choice you make. I'm fine with spending a decade or more living my own life, dedicating myself to the game. It's not as if you don't gain anything, you gain a hell of a lot of professional experience in life since you're dealing with so many different parties in the scene. On top of that, you're meeting women from all over the world so you have a better chance at finding someone you truly want to marry anyways.
Really depends on what you want, I don't care too much about low family time, I don't think it's smart to settle down during your time as a pro gamer though, can only negatively impact your performance. If you look at all the pros who have gotten married or are in a pretty serious relationships, all of them, literally all, went downhill after publicly announcing a marriage or a relationship.