I know little of Esperanto apart from that it exists. This Latin phrase I remembered from studying Chaucer at school. Amazing what sticks in the mind from one's education!

In looking for some joke material I stumbled, in an act of pure serendipity (honest, guv), on the video clip. One poster some time back in a thread on Chinese women was complaining that his "girlfriend" was negotiating for more money during the act, hence caveat emptor.

Magister's response in Latin was perfect and it reminded me of a married friend's comment when he was paying a little bit too much attention to some young ladies:" Just because I'm on a diet, doesn't mean I can't look at the menu."

Post coitum omne animal triste est sive gallus et mulier.