Idiom/成語 for "Worrying Doesn't Change the Outcome" Is there an Idiom/成語 for "Worrying does not change the outcome"?

To be used when someone is spending a lot of time / energy worrying about something that they have no control over.

Thanks for any help!
杞人憂天:

There was a man in Qi always worrying about the sky might fall. People use the term 杞人憂天 to describe someone worry too much, even about the most unlikely events.

Example:

Worry about car accident is one thing, worry about alien invasion or zombie apocalypse is really 杞人憂天