You don't get depressed because bad things happen to you. That's getting pissed off and annoyed. That's reasonable. Someone hits you in the face you go ow, you know that's... but depression is something that happens like weather to you inside you.
Stephen FryPeople sometimes accuse me of knowing a lot. "Stephen," they say, accusingly, "you know a lot." This is a bit like telling a person who has a few grains of sand clinging to him that he owns much sand. When you consider the vast amount of sand there is in the world such a person is, to all intents and purposes, sandless. We are all sandless. We are all ignorant. There are beaches and deserts and dunes of knowledge whose existance we have never even guessed at, let alone visited.
Stephen Fry