The Sun reports Usher, who has been bombarding UK R&B singer Jamelia with flirty text messages, admits he’s a sex addict. “I’m a sexaholic. I’m addicted to sex. But I’m not a sex freak,” he said. “I am a man with strong needs. It’s impossible for me to be in a relationship. At least while I’m still young.” The sex addiction is so bad, the singer is contemplating going to see a therapist to calm down his libido according to a source.