I find that keeping a journal helps tremendously when I'm feeling low or find myself dwelling on negative thoughts. I believe it's because you can get away with

I find that keeping a journal helps tremendously when I'm feeling low or find myself dwelling on negative thoughts. I believe it's because you can get away with fuzzy thinking when your thoughts are only in your head. Once you put them on paper you're forced to refine them and any distortion or irrationality in them becomes more apparent.