It is bad to be vengeful and hold grudges
Frank is tired of his new neighbors playing loud music late at night.
Frank wants to respond to his new neighbors.
Frank bakes a pie and takes it over to his new neighbors as a gift, welcoming them to the neighborhood.
Frank waits for a quiet night and then plays his own music at high volume in the direction of his new neighbors' home.
Frank's neighbors invite Frank to stay for a barbecue they're having in their backyard.
Frank's neighbors don't get any sleep and throw trash on Frank's lawn to get back at him.