Write down your barrier thoughts, and then consider ways to reinterpret the situation. In the process, ask yourself questions like... What else could this situation or experience mean? Can anything good come from it? Does it present any opportunities for me? What lessons can I learn and apply to the future? Did I develop any strengths as a result?

All that is required to become an optimist is to have the goal and to practice it. The more you rehearse optimistic thoughts, the more 'natural' and 'ingrained' they will become. With time they will be part of you, and you will have made yourself into an altogether different person.

It turns out that the process of working toward a goal, participating in a valued and challenging activity, is as important to well-being as its attainment.

If we can accept as true that life circumstances are not the keys to happiness, we'll be greatly empowered to pursue happiness for ourselves.

...The more a person is inclined to gratitude, the less likely he or she is to be depressed, anxious, lonely, envious, or neurotic.

Forgiving people are less likely to be hateful, depressed, hostile, anxious, angry, and neurotic.

It is equally important to investigate wellness as it is to study misery.