It's polite to say "bless you" when someone sneezes.
Meaning: This means that when someone sneezes, you should say "bless you" to show that you care about them and that you hope they stay healthy.
Choice of Words: Bless means to ask God or a higher power to protect or help someone. You is the second person singular pronoun, referring to the person being spoken to. Sneeze is a sudden, involuntary expulsion of air from the nose and mouth, typically caused by irritation of the nasal passages. When you say "bless you" when someone sneezes, you are asking God or a higher power to protect or help them.
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Related Expressions