A crazy character named Andrew Hales, a student at Utah Valley University, has put up a series of You Tube videos in which he — knowingly or not — does a classic Sociology 101 experiment called “norm breaching”: break a simple social rule and see how people react to you.  I’ll put my favorite first, but they’re all worth a chuckle:

Holding the door open for people that are (too) far away:

Walk (too) close to people and get in their way:

Staring at people:

Some of his transgressions are more out there than others, but these experiments show how uncomfortable others can be made by even mild norm breaking.

Lisa Wade, PhD is a professor at Occidental College. She is the author of American Hookup, a book about college sexual culture, and a textbook about gender. You can follow her on Twitter, Facebook, and Instagram.