these things happen
idiomPart ofhappen
these things happen — idiom
1. Used to comfort someone who has made a mistake or experienced a minor misfortune
1.idiom
Definition
Used to comfort someone who has made a mistake or experienced a minor misfortune, implying the event is normal and not a big problem.
Example
Nadia apologised for arriving late, and her friend smiled and said, 'Don't worry, these things happen.'
When Valentina accidentally deleted the file, her colleague reassured her that these things happen to everyone.