A man takes his wife to hospital to give birth. They are asked by the doctor if they would like to try a new method whereby a percentage of the woman's labour pains can be transferred to the father of the baby, so she doesn't suffer quite so much.
The couple agree and the doc transfers 10%. The husband says he feels fine, and suggests he takes on a little more of his wife's pain, so the doc increases it to 20%. She immediately feels less pain, and her labour is going well. But as things progress, it gets more intense. Her husband says "Darling, I'm fine, let me have 75% of the pain," the doc says "are you sure?" - and the man agrees. So it happens, and the husband is still feeling fine - virtually no pain - so he tells the doc to give him the whole 100%, and the wife delivers a bouncing baby girl almost pain free.
They are both feeling so good, they are discharged later that day, and take their new baby home. Unfortunately they find the UPS parcel delivery man, dead on their doorstep.
