A "We Don't Celebrate" button for holidays.
I play a great many different families in different households, who are of varied ethnicities, beliefs, and species. I have holidays for everyone, but not everyone celebrates every holiday. And there ...
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Or at least have certain clubs follow/not follow holidays. E.g. I could have a club of sims who are meant to be Hindu or Muslim and have them (and only them) celebrate holidays such as Diwali or Eid (in that order).
