Remember the good old serenity prayer from school....
God grant me the serenity to accept the things I cannot change
Courage to change the things I can
And wisdom to know the difference.
In other words, if you can't do anything about it then don't wear yourself out moithering over it.
Wise words.
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Old aunts used to come up to me at weddings, poking me in the ribs, cackling and telling me
'You'll be next.' They stopped when I started doing the same to them at funerals.