Pre-medication, I could sit and stare at nothing for hours, with no energy to even move. Sometimes when I'd begin to resurface I could trick myself into doing just one thing. Accomplishing the simplest task is like adding air to a life vest, I'd surface faster.
The lethargy makes you feel like you are mired deep in a muddy bog--black as hell.
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I'm probably a manic depressive. While medication keeps me on a more or less even keel, I miss the highs of the manic stage. When I was high I could work circles around anyone and accomplish just about anything, but then it would all come crashing down. I'm better off on the even keel.