Josh Groban Gets Vulnerable: "I felt like a talentless piece of SH*T!" How He Battled Inner Demons & Found Happiness

Josh Groban wasn't supposed to cry on his therapist's phone call. But there he was, the multi-platinum artist who'd sold 35 million albums worldwide, breaking down over something that stunned him: he was finally, truly grateful for the small moments. The quiet dinner with his nephew. The easy…