Can I live with my boyfriend/girlfriend before we're married?

Can I live with my boyfriend/girlfriend before we're married?

One of those questions that has been brought up to me over and over again deals with cohabitation, where members of the opposite sex live together in the same house. It might be dealing with roommates sharing an apartment, or a couple who are committed to “try before you buy.” Either way, we have to face this reality: cohabitation is no longer taboo in our culture...