I found an interesting article about the mindset of lonely people:
Some Counter-Intuitive Facts about Loneliness. « The Happiness Project
Also, a quiz based on the UCLA Loneliness Scale.
The Loneliness Quiz - Psych Central
Some Counter-Intuitive Facts about Loneliness. « The Happiness Project
Also, a quiz based on the UCLA Loneliness Scale.
The Loneliness Quiz - Psych Central