What if you...married your friend with benefits or your best friend? It's a question many friends have asked each other, and TLC's 'What If We Get Married?', explores the changing relationship of two couples who have never dated each other as they figure out if the key to a successful marriage is sexual chemistry or friendship. They'll find out what happens when they ditch the traditional pattern of relationship, engagement, and marriage, and take the plunge. Will the couples' new dynamic cause an onslaught of problems, or will the fireworks last forever?