Billy Joel just got real about his rare brain condition that forced him to cancel all his shows—turns out, it messes with his balance and made him feel like he was on a boat 24/7. He says it’s scary but treatable, and he’s doing his best to recover. No word yet on when he’ll be back on stage, but he wants everyone to chill—he’s not deathly ill, just taking care of himself. His family and even Christie Brinkley are sending all the love! #Health #BodyHealth #BillyJoel