21 Annoying Things That Can Drive Nuts Even the Calmest People

Psychologists suggest that the most common emotional response we refer to as annoyance is triggered by things or people that cross our boundaries. And on this list, boundaries are crossed alright!

Here at Bright Side, we've come up with a collection of events that would make you want to roll your eyes and look at the person next to you and say, "I know, right?"