Be careful with that stuff! I know somebody who contracted severe isomorphism

Functionex: because a monad is just a monoid in the category of endofunctors.

Actually, very clever meme.

The first symptoms include talking about dots and arrows with no interest in archery, and discussing associativity despite not associating with friends.

Advanced symptoms include casually perusing the Wikipedia List of Lists and Category of Categories pages.

Hum, well... Some side effects persist. What quantifier do you identify with?