He is the sole survivor from a blue heron attack. We'd talked about giving up on keeping any fish in our pond. The air is finally cool now. I've decided to add more fish tomorrow. I think he'll like that.
Because I always thought it was such a generous gesture to add one extra to make a customer happy,
I never knew its origin was to compensate some cheating. So much has changed since the 13th century, and it's practiced as a "generous (and delightful) gesture" nowadays especially among small businesses.
An event enticed me to look up these words this labor day weekend.