The idiom go the extra mile means to do more than what is expected.
The phrase comes from an old rule in which a person could be required to carry a load for a set distance. Going farther than required showed extra willingness.
The phrase comes from an old rule in which a person could be required to carry a load for a set distance. Going farther than required showed extra willingness.
When he built the cubby house, he really went the extra mile.