Whats the point of marriage then if being able you refuse kids? It's designed as a secure hub to build greater things like children bearing family. Why to subject yourself to lonely elderly life, tied to aging partner? Be like gay/bachelor people and enjoy hundreds of partners, why try to mimic family being afraid for full experience?
Assuming that you're not trolling:
1. Plenty of gay people have stable monogamous relationships/marriages.
2. Marriage isn't only for children. Marriage has legal and tax implications.
3. I like having a stable relationship, I don't like dating and switching partners. I like deeper connections with my partners.
Most gay marriages are non monogamous, so your point is ‘plenty’ misleading. Marriage is legally less beneficial for men in the us (divorce lawyer is paid by the men), and marriages don’t mean stable relationships. An emotional marriage is likely less stable than a cohabitation.
> Several research studies show that about 50% of gay male couples are monogamous and about 50% allow for sex outside of the relationship. The research finds no difference in the level of happiness or stability among these groups.