Matthew McConaughey recently sat down with Amy Jo Martin for a candid interview following the release of his memoir Greenlights.

In the very personal interview for Amy's Why Not Now? podcast, she asks the actor: "What's one lesson you find yourself learning over and over?" But it was the Dallas Buyers Club star's daughter's appearance that made for a truly sweet moment during the one-on-one.

"We learn lessons – we know they're right, we know they're true, [but] activating them and having them instinctively become a habit is a different thing," Matthew says, before calling to his daughter Vida off camera to ask: "What's one lesson I have to keep on learning over and over?