A symbol of hospitality, the pineapple was once considered quite the commodity. Had you been a 15th century European king, surely many were delivered to your castle. We like to think they still do — in the form of a thoughtful note to the gracious hostess or new neighbor.
Thank You Notes should be sent out as soon as possible after you receive the gift. One to two weeks is the sweet spot, as your note should be a thoughtful gesture, not a reminder for what was given.