What daughter thinks of her parents in flagrante delicto?...

What daughter thinks of her parents in flagrante delicto? Yet, my mother, even after years with him, dropped hints such as, 'You know, your father enjoys his matinees.' I never even saw them go to the movies together. What could she mean? All those afternoons, I thought she was upstairs listening to La Traviata, and those high notes apparently were not coming from the radio.