The tennis icon weighs in on the Pickleball craze (spoiler: he is not a fan), recalls the time David Bowie shaded his guitar skills (even after lessons from Eddie Van Halen!) and reflects on his long journey from sports bad boy to good family man — thanks to some help from his wife, rock star Patty Smyth. But don’t worry, Mac still has some of his famous fire! Though he’d be fine never hearing his infamous “You cannot be serious” catchphrase ever again, he explains how his anger made him a better player — until it didn’t.