Making gratitude a lifestyle goes beyond the sporadic “thank you” and that equally infrequent overwhelming sense of privilege we feel, to a more deliberate attempt to cultivate a grateful heart. They say practice makes perfect, or at least gets us close enough to transforming a habit into a character. One way to practice gratitude is by going the extra mile of writing gratitude letters to people who have made a positive difference in our lives. An email works too, but this kind of “thank you” demands that we write on paper and deliver the letter in person. Very particular, I know, but if…