"#Purim has long had an association with #drinking to dangerous excess … with the key word being “dangerous.” This comes from a famous story in the #Talmud (#Megillah 7b) about Purim which is often unfortunately only remembered for its opening. It begins:
#Rava said: A person is obligated to become #drunk on Purim to the extent that they don’t know the difference between “cursed be #Haman” and “blessed be #Mordechai.”
This is the source text for drinking to excess, ad d’lo yada, meaning “to the extent that you don’t know.” But lest you think the Talmud speaks with one voice, an anecdote follows that describes the consequences of drinking to excess..."
https://www.myjewishlearning.com/article/ask-the-expert-being-an-alcoholic-on-purim/





