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.
White lie
Ken: Yesterday I lost the watch that my girlfriend presented to me. Should I tell her this thing?
Lily: Certainly Not! Your girlfriend will be angry with you. Children and fools tell the truth.