A lot of people live miserably not because their lives are worse than others, but because their repeated negative interpretations of their experiences bring greater pain to their minds than their physical problems.

Beliefs are physical. A thought held long enough and repeated enough becomes a belief. The belief then becomes biology.

All emotions, even those that are suppressed and unexpressed, have physical effects. Unexpressed emotions tend to stay in the body like small ticking time bombs—they are illnesses in incubation.