Let's say you and a good friend are being chased by a dangerous animal that is capable of killing both of you. Your friend is a coward and trips you up to save his own skin. Luckily for you, you grab a rock and kill the beast after it jumps ForgiveFriend?
No, take rock and cave friend's skull in. Proceed to friend's house, butcher pets.
Also he isn't being cowardly, he's being smart.
