system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: why do people go insane if they are in isolation for a long time?
gpt
It's a very psychological process.
Most people require society to interact in order to function. Insanity from isolation is just extreme loneliness. The movie *Cast Away* is a good example of this, since Tom Hanks has to make up a fake friend (Wilson) to combat his loneliness.