I was starting to find that, sometimes, simply doing something that I had dreaded – and surviving – was the best kind of therapy. If you start to dread being outside, go outside. If you fear confined spaces, spend some time in a lift. If you have separation anxiety, force yourself to be alone a while. When you are depressed and anxious your comfort zone tends to shrink from the size of a world to the size of a bed. Or right down to nothing at all.