If your cat is checked by a vet and there is nothing to worry about, then it is behavioral problem. Once you know the problem is behavioral, then you can find the reason behind the problem. There are lots of important reasons why cats urinate outside of the litter box. try to tell you the possible reasons about why cats urinate outside of the litter box, and how to stop cats from peeing on carpet, furniture, and bed. This system I recommend to you has all the details about the reasons and the solutions.
Medical Definition of paranoia. 1  1: a psychosis characterized by systematized delusions of persecution or grandeur usually without hallucinations. 2  2: a tendency on the part of an individual or group toward excessive or irrational suspiciousness and distrustfulness of others.
Paranoia is an instinct or thought process believed to be heavily influenced by anxiety or fear, often to the point of delusion and irrationality. Paranoid thinking typically includes persecutory, or beliefs of conspiracy concerning a perceived threat towards oneself (e.g. Everyone is out to get me, which is an American parochial phrase). Paranoia is distinct from phobias, which also involve irrational fear, but usually no blame.