Well, that was not good..

A man took his pregnant wife to the hospital to give birth, and the
doctor told them that he'd developed a new machine and asked if they'd
like to try it out. The machine could take some of the pain of
childbirth from the mother and give it to the father to ease the>mother's
burden.

Well, they thought that was a good idea and decided to give it a try,
so the doctor set it on ten percent to begin with, telling the man
that even ten percent was probably more pain than he had ever
experienced. But the man was surprised at how little pain he was
feeling and asked the doctor to raise it. So he put it up to twenty
percent, and when the man still felt fine, he raised it to fifty and
finally one hundred percent. After it was over, the man stood up,
stretched a little, and helped his wife into the car, both of them
feeling fine.

When they got home, they found the mailman dead on their doorstep.