It's important to think about how your actions affect others
Stan and his brother, Joe, are moving a heavy couch into Joe's apartment.
Stan wants to finish moving the couch.
Stan coordinates with Joe to lower the couch gently.
Stan lets go of the couch without warning Joe first.
The couch is in place, and Joe thanks Stan with a beer.
The leg on the couch breaks, and Joe is very angry with Stan and makes him pay for the repair.