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  Never give knives as gifts, as it can sever the relationship

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  Saying “Gesundheit” after someone sneezes protects them from evil spirits

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  Never air your house from both sides at the same time (believed to bring bad luck)

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  Dog poop on your shoe is considered lucky

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  Ladybugs, four-leaf clovers, pigs, horseshoes, and fly agaric mushrooms are all symbols of good luck

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  Shards from broken ceramics (not mirrors) bring good luck, especially at weddings (Polterabend)

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  Breaking a glass is a bad omen unless done intentionally during celebrations to ward off evil spirits

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  Hearing a rooster crow at night is a sign of misfortune or death

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  If hens lay eggs on Sundays, it is considered unlucky

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  Blackbirds flying into your home or calling near your door are bad omens