What is one rule in your family/household that each family member has to abide to?

For my son (because he is my only family) the one rule we had that should never be broken is to always keep your hands to yourself! And that rule is still in place to this day!!๐Ÿ˜’
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The rule about keeping your hands to yourself wasn't just in the family - It applied outside of the family as well. Like around other kids, kids at daycare and school or on the bus 🚌.
What is one rule in your family/household that each family member has to abide to?
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