Jae stands nervously in front of the crowd of South Korean high schoolers. "Do North Korean students often date each other?" one student wants to know. Jae, a tall 23-year-old North Korean defector, grins. They do, he says, but secretly. Because students are reprimanded for showing affection, he explains, "if you like someone you often say, 'Let's become friends,' which is basically the same thing as, 'Will you go out with me?'" The questions keep coming: How long is military service in North Korea?