Winkler says there wasn't one thing in particular that would set her husband off. Her weight, hair, the kids all set him off.
Oprah wants to know how his public persona varied from the private persona.
Charismatic in public but at home "he'd lose control."

Mary says after she murdered Matthew more and more people have said they saw his bad temper.

Winkler says she, "focuses on keeping him happy, help him and stare clear" to avoid getting hit.