It can be temporary, it can be permanent, it can be mental and physical. But from time to time, a person needs to stay in this state.
Mrir is quite large, and we are also influenced by other people, so let's say, go back to factory settings at least a little or reset the cache memory to average out the meanings and ideas in our head. The environment affects you, no matter how much you internally believe that this is not the case, we are always affected by the environment. And it's not just friends, it's even the environment, work and other moments.
When you are alone, you are alone with your thoughts, and if they are spoiled, it is quite difficult to bear, so one of the most terrible punishments in penicytic institutions is solitary confinement.
Man is a social being, and the word "being" here does not mean an insult, being means existing.