The bus driver who said good morning every day for years is part of your childhood whether they know it or not.

Small repeated kindnesses from people at the edge of your life get built into the background of who you are. They usually never find out, which is strange, because the effect is real. Most people have a few of these figures and could not tell you their last names.

Name one person like that from your own childhood. Then be that reliable to somebody this week, which costs you roughly two seconds a day.