Mindy and Roger had had an affair--Alexander knew, and she tortured Mindy for months-- threatening to tell her
Daddy.
Well when Alex learned that Mindy had slept with Nick--who
she knew was her son, that was it!
She told Billy--and this led to one of the most violent beatings in soap history--I still hurt watching it
Oh Mindy--You Not My Daughter--
Oh, Mindy--you not my daughter, Billy