Psychologists say saying 'hello' to your driver is not just good manners, it may satisfy a basic human need we often overlook

A study by the University of Sussex, conducted with Transport for London (TfL) and Neighbourly Lab, found that a simple "hello" or "thank you" to a bus driver can make them feel respected, appreciated and seen. Researchers say these small everyday interactions, known as micro-interactions, have a meaningful impact, and even simple reminder stickers on buses encouraged more passengers to greet drivers.

Raccontata daeconomictimes.indiatimes.com