Final answer:
Bristle wants nothing to do with things that smell like humans because she remembers a pair of foxes that were caught in a trap laid by humans. This traumatic experience likely instilled a fear in her of humans and their potential to harm her.
Step-by-step explanation:
Bristle wants nothing to do with things that smell like humans because she remembers a pair of foxes that were caught in a trap laid by humans. This traumatic experience likely instilled a fear in her of humans and their potential to harm her. Therefore, she avoids anything with a human scent to protect herself.