People can change, but you might be underestimating the amount of control you have not only in choosing a person but building a relationship. It is very different than two independent people experiencing independent lives and changes therein.

> You are right that a married man contributes financially to his family.

I very deliberately left gender out of my post. I don't think it makes sense to bring it back in. A of the rest of your post is gender stereotypes and an unfortunately transactional view of marriages. This just reads as tremendously cynical and bounded view of what marriage actually is and doesn't reflect my experience as a married person whatsoever. In my marriage I want to give to my spouse because it makes me feel good to share love with my spouse. Not for any transactional reason. Not because I expect something in return. But because I love them.

Feel free to choose not to get married. It isn't for everybody. But I think you'll be a happier person by reorienting your view of the world here.