Since H.E.R.'s 2016 debut, Volume 1, there's been a smokescreen surrounding the anonymous singer. She's lights down low, sunglasses on, a curly head of hair seen from behind. Her music is the opposite. Vulnerable and honest, her new EP, Volume 2, explores the best and worst parts of intimacy. But "I Won't" finds H.E.R. at an important transition point: outside of any intimacy at all.