Here is the Episode Recap from Real world Key west season 17 episode 16
Episode 16 Summary:
Zach is the man of the hour this week when he gets stuck between Crystal (his Key West crush), Natalie (a Hawaiian Tropic bikini pageant contestant), and Allison (his ex-girlfriend
Everyone in the house considers Zach to be the nice guy when he refuses to indulge in a drunk hook-up with Crystal, but she seems upset over it. The next night the boys attend a bikini contest where he meets Natalie, and although they share a few lustful dances, that seems to be about it. Zach doesn't want to hurt Crystal. Back at the house, Zach finds out that Allison called his family. Emotions begin to stir after they have a short but sweet phone conversation.
With his ex-girlfriend fresh in his mind, the house throws a BBQ where Crystal and Zach have a conversation about their pasts and when Zach tells her not to choose between him or her ex-, she becomes frustrated and just wants to go home. With all the drama, Tyler decides he is glad to be gay!
Unfortunately there is drama that is far too real for Svetlana, who heads home to Philadelphia to see Martin and his family because his dad has become extremely ill from cancerhttp://www.mtv.com/onair/dyn/realworld-season17/episode.jhtml?episodeID=96403
Hope that helps!!
reminder crystal was met episode 5 when zach brought her and her friends back to the house to "hang out"