What does the Fonz really think about Richie?

Richie and Fonzie.jpg

It seems that everyone has fond memories of an episode or a character from Happy Days. But it always seemed to me that Henry Winkler (Fonzie) and Ron Howard (Richie Cunningham) were an unlikely match - not just on screen, but in real life too. How well did they actually get on?

Check out this interview with Henry Winkler: