Stout pretty much means strong. When added to the word brave, it's clear that "our hearts" face fear head on, with a strong, unfearing willpower.
Answer:
I'm not too sure but a guess would be that pain is temporary, and that sooner or later the pain would go away. The quitting part I would think means I quit trying to forget to take away the pain maybe.
Explanation
This is a guess
Answer:
1. It emphasizes the intensity of her passion for her cause.
Explanation: