What are the reasons some people give for being against gay marriage?
The reasons that you hear from the opponents of marriage equality include that same-sex marriage is against their religion. However, in this context, marriage is a civil contract given by the state government, not a religious document. Religions will remain free to marry whomever they want, even if we have marriage equality. Often, opponents cite religious reasons, and that's the most usual that they cite. Sometimes they'll say that same-sex couples don't procreate, although we know that there are millions of heterosexual couples who are married who can't, or choose not to have children. There are millions of same-sex couples who do have children. It's not a strong argument against same-sex marriage, but that is often the argument you hear. There are people who believe that marriage should just be between a man and a woman, because that's what it's always been in their minds. Of course, there's problems with that argument, because marriage used to, of course, always be between people of the same race. Marriage used to be that a man owned a woman, as if she were his property. Marriage has changed throughout time, but some of those same arguments are the ones that are made about same-sex marriage as well.