Based on an r/facepalm post. Refers to an article written by Rachel Link of Authority Nutrition about how to limit hangover symptoms, with the first tip being "limit alcohol consumption".

This is a response to someone who says something stupidly obvious.
Article: "Beginner's tips for highway driving: 1) Wear a seatbelt." Derek: "Thank you, Rachel."
by JTBSpartan September 3, 2019
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