JBSource’s Exclusive Interview With Justin Bieber. I was really excited that I had so many fans here. I wasn’t able to interact with them, you know. There was a lot of fans at the airport. I didn’t really expect it. “How did you know you were a good singer?” Did you just know, or …? Complete Full Script, Interview, Dialogue, Saying, Quotes, Words And Text For JBSource’s Exclusive Interview With Justin Bieber.