Gay Las Vegas Cruise Spots Question About Gay Marriage, Is It Like A Las Vegas Marriage?

Question about gay marriage, is it like a Las Vegas marriage? - gay las vegas cruise spots

If I marry my friend (we're both gay) When I was in a state that is legal to marry his same-sex couples to marry, that is my marriage as a marriage in another state, "I receive legal services in other states?

What if someone marries someone in a casino in Las Vegas, the marriage only in Las Vegas, it's the same way for gay marriage?