Answer:
The skunk taught Brian that food needed to be protected. The smell in the shelter, in his clothes, and in his hair was still there now, almost a month and a half later. And he had nearly smiled.
Explanation:
A comma is a punctuation mark (,) indicating a pause between parts of a sentence. It is also used to separate items in a list and to mark the place of thousands in a large numeral. It can also mean a butterfly that has wings with irregular, ragged edges and typically a white or silver comma-shaped mark on the underside of each hind wing.
It is probably murder, because the word is most commonly thought of as being hateful and full of unbridled emotion, and in this particular passage, it is most likely used to convey disgust.