If it ain't broke don't fix it American informal slang
I am not planning to change my furniture because I think if it ain't broke, don't fix it.
Your ideas to update the computer system are not appreciated because if it ain't broke, don't fix it.
1. Good or fantastic
2. (of a person) Attractive, or sexy
3. A sexually attractive person
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This American slang is said to have originated in the 18th century, but the literary origin comes from 1977 in a "Nations Business" newsletter quoted by Thomas Bertram.
Used to indicate that helping each other or working together toward the same goal will have advantages for everyone who is involved
The relationship between fashion and film is that one hand washes the other and both wash the face.