Came down from the worst manic/psychotic episode of my life. How do you cope?

I’m reposting this because no one seemed to care now that I’m not saying things that are entertaining to them I’m humiliated and filled with utter regret and remorse for all of the things I’ve said and done within the last couple days. I’m not in the mood to vent nor do I have the energy to and I’m sure people will look through my post history so I’ll just say in simply:

in the last couple days I suffered from extreme religious based delusions (I’m an athiest that’s the worst part) and intense mania so absorbing and crippling that it nearly led me into killing myself, i think I regressed to a lesser state genuinely: I blew through the last bits of money I owned on childish items, abandoned my local shelter and got myself a hotel room which I’ll soon have to leave by tomorrow night, and my chest is scarred from where I had harmed myself with a makeshift item.

I don’t remember what I’ve said to people, but I feel tired and sick, I haven’t slept or eaten anything nutritious in far too long and I don’t know what to do. How do you cope with coming back down and feeling in control of yourself again. I’m looking at the things I’ve said and it’s fucking insane how do you forgive yourself and repair the damage you did.