All Jupiter's moons are named after the god's many mistresses, but Juno, the space probe sent to orbit and monitor Jupiter, is named after his wife
Trivia.com
One-Liner.com
Confucius say ... man’s wife the better half, mistress the better hole
Definition.com
A Mistress's respect and love some married men may hold without the non-transferable license in the bottom of a trunk.
Definition.com
A Mistress is a female who has rights, as distinguished from a married woman, who has duties.
Definition.com
A Mistress is like a book; if you pore upon them too much, they doze you and make you unfit for company; but if used discreetly, you are the fitter for conversation by em.