Air Force contract specialist Kyana Gayden finds that it’s the small tweaks in how we spend our time that yields the biggest results when it comes to work-life balance. She also marvels in that fabulous invention: Paid Time Off, which she never had as a graduate student, and does something fun—and spontaneous—when not working hard. “It makes a difference,” she finds, “and you feel more gratitude for your job, too.”