1. Staying up late is a sign of high intelligence, as it increases brain activity at night. (However, it's not good for your health.)
2. Having a good sense of humor and being funny is a sign of high intelligence.
3. More than half of the world's population has only average intelligence.
4. Intelligent people always want to know more about the world.
5. Intellectuals tend to go to bed late and wake up late.
6. People with high intelligence tend to have fewer friends than the general population.
7. Talking to oneself is a sign of high intelligence.
8. Intelligent people tend to underestimate themselves more than ignorant people.
9. Intelligent people have more open minds.
10. They tend to have fewer traditional values.
11. Grades and age do not determine intelligence.
12. Excessive worry is associated with high intelligence.
13. Intelligent people probably tend to avoid conflict. They understand everything, but tend to say nothing.
14. They don't usually lie, but when they do, they're very good at it.
15. Highly intelligent people are socially awkward.
16. Highly intelligent people are more loyal than others.