Sunday In House Gists - Depression

Hmmmm...Why do people get depressed?what causes it?worries?fear?pain? How does one get s depressed to the point of wanting to end their lives?Have you ever been depressed?or you know someone who was?How did they overcome it?How does one recognise depression before it gets really bad? In what ways can one help a depressed person? Like i asked up there,what are the signs of one who is via IFTTT