Gram falls unconscious, and Sal and Gramps rush her to the hospital in Coeur D'Alene, where the doctors tell them that Gram has had a stroke. Despite the protests of the doctors, Gramps refuses to leave her side for even a second. Sal, reflecting on grandfather's emotions, wonders if he suspects the snakebite caused the stroke and blames himself for taking her to the river. Sal realizes then that just as Gramps should not blame himself for Gram's illness, so she cannot blame herself for her mother's miscarriage. She then recalls the process through which their dog weaned her puppies: though the beagle was protective and caring when the puppies were first born, after a few months, she roughly pushed them away. Sal's mother had explained to Sal that the mother dog wanted her puppies to be able to take care of themselves in case something happened to her, and Sal realizes that in a way, her mother's trip to Lewiston was her way of trying to make Sal more able to take care of herself. Later that night, Gramps tells Sal that he must stay with Gram, but hands her the car keys and all his money, tacitly giving her permission to drive to Lewiston herself.
Ethos is a writer's ability to build credibility, establish himself as an expert, and/or convince the readers that he has their best interests at heart.
I wanted to buy a new ski jacket in addition, I wanted gloves and a hat. There is no mistake. (I'm not entirely sure what the underlined portion of the sentence is). (From what I can tell, there is no mistake unless you need to put a comma before "in addition.").