E ven after his massive solo success and a long list of standout moments on BTS songs, at age 28, Jeon Jung Kook hasn’t yet quite figured out who he is. “I’m still forming my sense of self,” he says. It’s hard to blame him. He’s been in BTS since he was 15, which means he’s spent nearly half his life as a global pop star, growing up inside the group. He acknowledges that his uncannily smooth tenor has strengthened, but he’s still gaining confidence in his writing skills, though he stepped up