Speaking with Zane Lowe for Apple Music, the Bad Guy singer got candid about her new routine and what made her become a "gym rat." Getting Into Fitness

Speaking with Zane Lowe for Apple Music, the Bad Guy singer got candid about her new routine and what made her become a "gym rat." Getting Into Fitness Billie Eilish performing on stage. “I’ve been completely changing the way that my life is involving fitness. I’m a gym rat now. When did that happen, I don’t know. But it did,” she shared. “And I’ve been working really hard. And it started with, ‘I can’t get injured anymore. I can’t do it.’ Not going to let myself live like that because I lived like that for years. It sucked. I was like, ‘No, no, no, I can’t get energy drained anymore. That can’t be part of my life anymore. I’ve got to figure it out.'” Dealing With A 'Broken' Body