"Watch out," the wife cautioned her husband, who was driving.

"Don't you see that car is braking?"  Then she snapped,

"Don't pass that truck - his tire is wobbling."

The husband turned on his CB and informed the trucker about his loose wheel.  The wife, in a nasty mood because of a headache, was irritated by the incessant squealing of the CB.  "Why do you always get so much static?" she asked.

"Because," her long-suffering husband replied, "I'm married."