What did Bowerman and Knight’s own father have in common?

Perhaps Bowerman reminded Knight of his father figure, as they both were far from loquacious. When they did speak, praise was rarely the purpose for their doing so. With their lack of communication also came a certain stoic demeanor, which Phil Knight both loved and feared. Additionally, both men were named Bill— Bill Bowerman and Bill Knight. Ultimately, these similarities cause Phil to spend much of his adult life seeking their validation, eventually earning both of their approval and being a major source of pride for them.

How does Sarah interact with the Knight family? How does this make Phil feel?

She is charming and well-educated, impeccably at ease with herself and everyone in her company. She is able to invite herself to live with the Knights, somehow entirely gracious instead of seeming rude or intrusive...