A woman goes to see her doctor. She complains of pain in her knees. After doing all the tests possible and imaginable the doctor is about to admit his incompetence but something is working ...
- Tell me, are you sure you've told me everything?
- Well, my husband and I make love every night on all fours on the floor! "She said a little shamefully.
"That must be it," said the doctor.
- There are a lot of other positions to make love!
- Not if you watch TV at the same time ...