Was it worth holding the grudge?

A man returned home from the night shift and went straight up to
the bedroom. He found his wife with the sheet pulled over her head, fast
asleep.

Not to be denied, the horny husband crawled under the sheet and
proceeded to make love to her. Afterward, he hurried downstairs for something to eat
and was startled to find breakfast on the table and his wife pouring
coffee.

"How'd you get down here so fast?" he asked. "We were just making love!"
"Oh my God," his wife gasped, "That's my mother up there! She came over and
complained of having a headache. I told her to lie down for awhile."

Rushing upstairs, the wife ran to the bedroom. "Mother, I can't believe this
happened. Why didn't you say something?" The mother-in-law huffed, "I
haven't spoken to that jerk for 15 years and I wasn't about to start now!