Sounds like things are really hard right now! Please remember to always take care of YOURSELF first! Taking his meds, living up to responsibilities, etc. are things that he needs to worry about. I know it's hard, but try not to let his problems become your problems.
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From the movie The Hours: "If I were thinking clearly, Leonard, I would tell you that I wrestle alone in the dark, in the deep dark, and that only I can know. Only I can understand my condition. You live with the threat, you tell me you live with the threat of my extinction. Leonard, I live with it too."