Literal Husband

Listen here, you chucklehead. You, Zephyr, are clearly not the sharpest tool in the shed if you need a bear to explain this. The wife is saying the husband is too literal, meaning he doesn't understand jokes or metaphors and when asked why he's there, he replies with his truck, as in the actual vehicle, rather than the situation that brought him to therapy. It's funny because he's not getting the point!