Justin Bieber is pop royalty. Yet, at the height of his fame in 2015, he walked away from music, leaving fans stunned and missing the star. For the past five years, the music world has gone without a new album from the Biebs, and now he's finally opening up about why that is. On the precipice of his new album, Bieber talks about his physical and mental health struggles. He told reporter Zane Lowe, "I was really tired emotionally, physically, and I was sick and I didn’t realize I was sick."