… gained from storyboarding an endless stream of jock lager ads:

Where men are a caricature of manliness, their sexuality depends on them always being The Ones Who Know, who are worldly and can sum up reality in short, pithy bro-repartee (bropartee). To achieve this, they need to simplify reality into easy-to-read contrasts, with rules in big type, so they don’t have to suffer the shrivelling-dick humiliation of being faced with complexity.