One of the OP's main gripes is that many people will gleefully, happily tell you that they can't do math. Nobody will ever admit to a stranger at a cocktail par

One of the OP's main gripes is that many people will gleefully, happily tell you that they can't do math. Nobody will ever admit to a stranger at a cocktail party that they're illiterate but being bad at math is, for some reason, a conversation starter.