When you watch Masters of Sex Season 3 Episode 5, you'll see Virginia unnerved by her parents' surprise visit. When she finally thinks her mother is proud, it turns out it has a lot more to do with Virginia's secret relationship with Bill rather than her being a success. Bill focuses on his speech at Washington University. He wants to rub his success in their faces. At the same time, he finds out his son is being bullied, and he scares the boy who is hurting his son. Margaret and Graham work on their sex life, but their relationship is over once Margaret finally tells him that she's not happy with the arrangement with Jo. Barton lends an understanding ear and finally tells his daughter the real reason his marriage ended.