When a friend makes a choice to become involved with drugs or alcohol they may not be fully informed of the possible ill effects. The definition of addiction is enslavement. In the beginning it's something you choose to do, eventually it becomes a need. It is difficult to see a friend go down that road to nowhere, and it is difficult to know how and if you can help them. It is always the addict that must take the first step.
Sadness and darkness are natural cousins. Since ancient times, people have worn black to express their grief. Happiness is attracted to sunshine and depression to darkness. There is a certain romance in darkness and melancholy. There is something mysterious about that which is hidden and unknown. Dark poems may seek to romanticize sadness and depression. Other dark poems are simply poems about sad subjects. The poem "The Raven" by Edgar Allen Poe is an example of a delightfully spooky dark poem. There is much room for creativity in this genre.
When someone in the family is depressed, the whole family is affected. Depression is a silent disease that sucks the energy and joy out of a person's life. If is very difficult for one has not experienced depression to understand its significance. It is important to get the individual into treatment and be sensitive and empathetic during their treatment. Depending on the type and degree of depression the individual may have to struggle with their illness their entire life. Depression must be accepted as an illness and not a lousy character trait.