ABCNews -- Darren James once led a busy life as a porn star. "Sometimes it'd be 10 women in an orgy scene -- nonstop," he said, talking about his career at its busiest. "And you work from eight in the morning to maybe eight at night. And that's one scene. All these women. Nonstop." It was part of a job James did successfully for nearly eight years. Until he got the call all porn performers dread. "I get that call," he said, shaking his head. "Everything stops. I had the virus. I'm like, whoa, what happened? This can't be happening to me. ... I thought I did everything right. And my whole world just crashed." James learned he was HIV-positive in 2004. And he doesn't know, he said, how he got infected. "I don't. There was just so many women pressed up...