it is bad to betray a friend.
Steve and his friend Arnold bumped into an angry drunk stranger who started aggressively moving towards Arnold.
Steve wants to decide on his course of action.
Steve actively tries to support Arnold in dealing with the drunk stranger.
Steve runs away and leaves Arnold to deal with the drunk stranger himself.
Steve and Arnold improves their friendship after they successfully calm down the drunk stranger together.
Arnold gets injured and no longer considers Steve as a friend.