The World Only Spins Forward: The Ascent of Angels in America by Isaac Butler and Dan Kois:
ELLEN McLAUGHLIN (the Angel in San Francisco, Los Angeles, and New York, 1990-94): A few months into the run, the woman who gave me my massage on Fridays before the show said, “It’s the weirdest thing. You seem to be developing wing muscles.” Because there were these ridges of muscle I’d developed alongside my spine where I flexed the wings, opening and closing them. She said she’d never seen anything like it. It was as if there were some residual muscles that humans didn’t have anymore that I had reawakened.