"Sartre said that "Hell is other people.", although he could have broadened it to include their voice mail if he had lived long enough...
Unless we adopt the solipsist view and there are no other people. Can you imagine what a convention of solipsists would be like? What would they talk about? Really, it might be fun. Maybe next week we could get together in my head."
That's from my blog last winter, but I see now that I was in your head at the time.