Final answer:
The interaction between Aunt Lou and Johnny Famish supports the theme of being nice to people can pay off.
Step-by-step explanation:
The interaction between Aunt Lou and Johnny Famish supports the theme of being nice to people can pay off.
In the given context, Aunt Lou is kind and friendly towards Johnny Famish, providing him with food and showing him compassion. As a result, Johnny Famish is grateful and appreciative of Aunt Lou's generosity. This demonstrates that being nice to people can lead to positive outcomes, such as building relationships and receiving gratitude and appreciation.