The practice of gratitude as a tool for happiness has been in the mainstream for years. Long- term studies support gratitude’s effectiveness, suggesting that a positive, appreciative attitude contributes to greater success in work, greater health, peak performance in sports and business, a higher sense of well-being, and a faster rate of recovery from surgery.

But while we may acknowledge gratitude’s many benefits, it still can be difficult to sustain. So many of us are trained to notice what is broken, undone or lacking in our lives.

And for gratitude to meet its full healing potential in our lives, it needs to become more than just a Thanksgiving word. We must learn a new way of looking at things, a new habit. And that can take some time.

That’s why practicing gratitude makes so much sense. When we practice giving thanks for all we have, instead of complaining about what we lack, we give ourselves the chance to see all of life as an opportunity and a blessing....