And now listen, dear, we've got to fix up about the next time we meet.

Guilt, by prompting us to think more deeply about our goodness, can encourage humans to make up for errors and fix relationships.

Think about all the other service workers we have in this community. We have people who collect waste and rubbish and keep our community sanitary. We have road workers who put up and repair traffic signs and fix holes in the streets to protect not just us, but our cars!