Lyric discussion by Crimson Hatred 

Lithium is prescribed to manic depressive / schizophrenic patients that appear to have a violent nature about them. I take lithium every single day, and this song has meaning to me. because while you're on the lithiun ... it's a polar extreme, over the mind-state you're in while not on the drug. After taking this drug for a few months... there's no way you can go without it. if you do ... you'll be extremely irritable and you'll probably end up having psychotic episodes and or hallucinations. "I'm so happy because today I've found my friends, they're in my head..." I think this is related to the bi polar illness that kurt had. While he had this illness and it was going un-treated (which is the latter part of the insanity induced second half of the song) he had severe mood swings and really didn't care about anything. When you're bi polar... every single day seems the same, hence the "Sunday morning is everyday for all I care" it's describing his illness driven lack of care and apathetic mindset. After taking the lithium, of course, it controls the otherwise unstable dopamine membrane in your mind and allows you to have one consistent mood / mindstate and allows you to be able to function in society. Being bi polar is kind of rough at first, but after you're put on the lithium nothing seems to matter at all. you feel happy, you have the only thing, taken out of the material perspective, that you'll ever need; your mind. everything comes from your mind, the way you interpret it on a physical level is completely up to you. This song is about a period of descent between two mind-states and a semi-pre-occupation with the lithium drug.

What you said resonated with me so much. I'm not on Lithium, but very high doses of Sertraline, and I've chosen to come off it, and holy shit I'm going insane. My mood and mind is going haywire. I can't even trust myself anymore. It's insane. Can you imagine what it's like not to trust your own judgement? Haywire...

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