My personal theory is the dog was affected. He got anxious just before she nailed the ball/when she was getting a bit mean and Buster lived to be 20. That is really old. Minor mutation for longevity, all I’m saying.
Superdog.
Khlovia
Also, the superpower of detecting emotional distress. Well, all dogs have that one. But Buster took it a bit further: he seemed to be detecting when Alison was at risk of going off the rails in terms of character.