“If the shoe fits, wear it,” replied Danah. “Some people say that I’m really negative and critical,” said Christine. It is, however, on occasion, used in a more general way. This idiom is most often used in regards to negative descriptions or things people would rather not believe about themselves. This idiom is most often shortened to just ‘if the shoe fits’ or ‘if the cap fits.’ Want to see more videos from Idioms.Online? Subscribe to our YouTube channel! Usage