The mood was dark because, cold, and rainy, because the fire is on and they are sitting by it.
When Mr. White took his first wish, right after, the piano crashed and made a loud " BOOM"
Mr. White got this Monkey Paw, and it had 3 wishes on it, and one of the wishes Mr. White wished for. was for his son to die. His wish had came true and Mrs. White is heartbroken because of what happen to Herbert