Eric Dane's daughters are having a difficult time with his ALS battle. It's been difficult for fans around the world to see Grey's Anatomy's very own McSteamy slowly lose function of his body as he fights the nervous system disease. But for two young girls, he's much more than a TV character... He's their daddy. Related: Mama June Reveals Daughter Honey Boo Boo Was Injured In Scary Car Crash! On Saturday, the Euphoria star's wife Rebecca Gayheart spoke with People about the progression of his ALS battle and how their family is "taking it day by day.