It's rude to not respect your significant other's preferences.
Steve, whose wife Cindy hates practical jokes, is watching Cindy make a pizza for them and their children.
Steve wants to play a practical joke on someone.
Steve places a carrot on a slice and makes sure that one of the children gets it.
Steve places a peanut on a slice of pizza and makes sure that Cindy gets it, laughing when she bites into it.
The child bites into the carrot and is very confused, then starts laughing at how goofy it is.
Cindy is very angry that Steve ignored her wishes and loses lots of respect for him.