Every story has an own end one story ends with not so happy end like in the middle to happen events like suicide, like die from real nature which will mean you just die without any disease or something like this it has came the time you to die. So you die!Other die from diseases like cancer or something other thing. But the story must end and must begin, nobody can do anything about that. Some stories end and start with happiness, but as always there is some sad events!