Bless You

Why? Why are these words spoken? The words “bless you or god bless’’ were reports in AD 590, Pope Gregory order unceasing prayer for divine intercession. Part of is command was anyone sneezing be blessed immediately (God bless you), since snezzing was often a first sign that someone was falling with the plague.

When? When did the this saying originate? It was originated back at least AD 77 is far more older than most specific explanations.

How? How did this saying originate? At the time, sneezing was thought to e an early symptom of plague. The blessing became  a common effort to halt the disease.

Where? Where did the saying originate?