The hard thing about practicing gratitude is that it works the best when you feel like doing it the least. Take the holiday season. Sure, there’s a lot of joy and festivity going around, but that doesn’t lessen all the stress, anxiety, and depression that often comes at this time of year, too. Those burdens can feel even heavier when you’re also dealing with grief, loneliness, or just reflecting on a tough year. With so much weighing on you and so little free time between social obligations and holiday prep...