Rational
Explanation
The Joke
A woman asks a man, "Do you think humans are rational?" He responds confidently, "Well, certainly not all--" but she cuts him off with a massive list of exceptions: "Except when hungry, sleepy, fatigued, sick, sad, drunk, overjoyed, undersocialized, anxious, stressed, bored, when it does or doesn't matter, when there's too much or too little information, in groups, alone, when music is on, when something bad has happened, near candy, on weekend mornings, Monday night, early afternoon, or any time during winter, fall, or late spring." She then asks, "Outside of that I'm sure they're excellent at calculating maximal advantage," and he replies, "So... when exactly do you feel rational?" The answer: "Any time you ask me my opinion."
The Humor
The joke systematically dismantles the idea that humans are rational by listing so many exceptions that there is essentially no time left when rationality would actually apply. The list starts with reasonable caveats (hunger, fatigue) but gradually expands to cover virtually every possible human state, time of day, and season. By the end, the "exceptions" have consumed the entire rule. The final punchline adds another layer: the one time someone claims to feel rational is precisely the moment they are being asked for their opinion -- which is itself one of the most bias-prone situations imaginable. The comic satirizes both the overconfident claim that humans are "basically rational" and the equally overconfident belief that we can accurately assess our own rationality.