Depression is not about what's going on in your life, it's about how you think about what's going on in your life.

Catching self-abusing thoughts and turning them into rational assessments of a situation is key.

Try to remember to react to automatic thoughts with rational responses, and write it down: list automatic thoughts on the left half of a piece of paper and the rational response to each thought on the right side.

Even when you're so depressed you can't see the solution, try this technique, pioneered by David D. Burns, whose books are fundamentals in the field of depression.