Phobias are very common. Almost everyone has one, like fear of heights or being trapped in a small space. The fear is not rational, and the phobic is well awa

Phobias are very common. Almost everyone has one, like fear of heights or being trapped in a small space. The fear is not rational, and the phobic is well aware of that, but simply knowing it's irrational doesn't help rid you of it. https://en.wikipedia.org/wiki/List_of_phobias https://en.wikipedia.org/wiki/List_of_phobias