Joe Williams told me that looking honestly at yourself can be a brutal thing, and then in the same breath he called it the best mirror we can ever hold, because that’s where generational change actually starts.

Joe and I were on the road together for nearly a month touring the doco ‘Seen’, so I got to watch him sit in front of audiences again and again and tell the truth about being a dad. There’s a line of his in the film that gets me every time: that he has to put his hand up, that it haunts him, that there are many years he can't get back.

What I’ve watched him do with that grief is not turn away from it. He gave his kids full permission to say whatever they needed to say in their own interviews, then listened to the whole recording alone in a ho ...