True, a negative attitude could cause you to loose your appetite, others as if depression or anxiety can stop you from eating in front of others or eating in general.
The sadness in his grandmother's prayers that was passed down to him; Example: "I never understood her prayers, but there was something inherently sad in the sound"
When the pigs start to sleep outside or start working for food and some get less then others while others get to live in the house while other animals live in the barn.