An infinite number of mathematicians walks into a bar. The first one orders a beer. The second one orders half a beer. The third one orders quarter of a beer. It continues that way until the bartender interrupts and says: “You guys are all a bunch of idiots” and pours two beers.
"Migraine is a neurological disease that can cause a wide range of symptoms during an attack. The most commonly thought of symptom is headache." - Dammed