This calls for a joke:
The CIA was looking for a professional assassin. They needed a cold-blooded killer. It came down to three guys and they had to make the final decision.
So they gave them all the same test. They went to the first guy and said: "Your girlfriend is in the next room. Here is a loaded pistol. Go in there and kill her." The guy said: "No way. I quit" and walked away.
So they went to the second guy and said: "Your fiance is in the other room. Here is a loaded pistol. Go in there and kill her." The second guy walks into the room and comes out about three minutes later and says: "I can't do it. I quit".
So they go to the third guy and say: "Your wife is in the other room. Here is a loaded pistol. Go in there and kill her." The third guy goes into the room and they heard six shots fired. Then they heard a huge commotion and about five minutes later the third guy comes out covered in blood. They ask him what happened and he said: "Well the gun was full of blanks so I had to beat her to death with it."