Landlords become obsessed with the inherent power bestowed upon them by their position. When the greed gets psychotic, the psychotics torment their tenants.
You make your landlord uncomfortable. He knows, at least subconsciously, that he did nothing to deserve the rent increase he’s requesting.
This is a silly example of a landlord exerting dead hand control.
The caretaker could be a subtenant because she is providing cat care and security for a free place to stay, but the analysis does not end there.
You think your landlord is strung out on drugs. He may be, but sometimes the behavior one ascribes to drugs can simply be a syphilitic dementia-like, Caligula-style obsession for control commonly found in landlords.
Pay the rent. That’s the best single piece of advice I can give to tenants. You’d be surprised at how many landlord issues disappear when you pay the rent.