We're nearing the end of boot camp and it's time for our couples to get serious about their possible engagements. Steve sends the pairs to an engagement ring store to see if they're on the same page about their futures together. Some couples pick out the ring of their dreams while others sweat it out. Who's ready to make that lifetime commitment and who's running scared? And for one of the guys, a conversation overheard by his girlfriend leads to relationship disaster!