A salesman was given a hotel room next to one occupied by honeymooners.
The walls were thin, and the sounds of sustained sexual frenzy poured through. Finally the salesman could stand it no longer. He pounded on the walls, yelling, "Knock it off, there's other people trying to get some sleep!"
From the other room came a weak, faltering male voice which said, "Yell louder, mister, she can't hear you!"
A doctor had just finished a marathon sex session with one of his patients. He was resting afterwards and was feeling a bit guilty because he thought it wasn't really ethical to screw one of his patients.
However, a little voice in his head said Lots of other doctors have sex with their patients, ... so it's not like you're the first ...
This made the doctor feel a little bit better until still another voice in his head said, but then again ... they probably weren't veterinarians ...