Why do couples choose to live together without getting married?

After about two years of dating, Matt Garville, 38, made some space in his closet for his girlfriend, Aloria Rucker, 31. At the time, Rucker was living with a roommate in Brooklyn but spending most nights with Garville at his roommate-less apartment in Hoboken, he says, so the move made sense. The couple agreed they were in the relationship for the long haul, with marriage on the horizon….