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As far as tracking goes, what about tracking the mixed days as well as the manic and the depressed? As far as I know, there's nothing that says tracking is only for manic and depressed. You could have a symbol for manic, one for depressed, and one for mixed. You could even probably have one for when you just plain don't know. When you visit your doc for the first time, ask him/her about the days you were unsure about. Maybe they can help you get a better definition.