Test one:

How many F's did you count? Probably three, right? It's funny, because for some reason, our mind's down process the word "of." There were actually six.

Test two:

98% of people think of a red hammer after completing this test. Almost everyone thinks of some kind of hammer. Why? Hard to say for sure.

Test three:

It's because she hoped the man would appear again, right? If this was your answer, you may have the brain patters of a psychopath. This test was created by an American psychologist to determine murderous mentalities among people.