Life is awesome - argumentum ad populum

[Angrboda]

I paid $24000+ to attend seminars and learn this method of overcoming psychological stress, it has helped many people with all sorts of problems ranging from anxiety, depression, post traumatic, post natal, bi polar, stress relating to illness, bereavement or body issues including weight issues and eating issues.

As a result of cognitive dissonance, "following the purchase of an expensive item ...
People are biased to think of their choices as correct, despite any contrary evidence."
(Wikipedia: Cognitive Dissonance)

Cognitive dissonance is a discomfort caused by holding conflicting ideas simultaneously. The theory of cognitive dissonance proposes that people have a motivational drive to reduce dissonance. They do this by changing their attitudes, beliefs, and actions. Dissonance is also reduced by justifying, blaming, and denying.

This guy is a classic.