Guys wouldn't mind a trip to the ER if every nurse looked like heart-stopping Lamar University brunette Cristal Houston. Ambitious and driven, Cristal is studying nursing and hopes to get her masters as a nurse practitioner. But if you want her to take more than a professional interest in your case, Cristal says you'll have to be "passionate, intelligent and a fun-loving free spirit," and it won't hurt if you have a great sense of humor. Cristal's also got a few date-planning tips for you guys: be sure to be creative and unique and make her laugh. Remember, it's nurse's orders.