Phobias and fears

The author believes that most people have some form of irrational fear.

Dean's phobia only affects his personal life and not his work.

Common fears include heights and flying insects.

The author mentions that phobias can be treated with exposure-based therapy.

Dean feels calm and relaxed when he is about to fly.

The author states that phobias can develop from a variety of sources.

Therapists can help people with common phobias like fear of flying.