At the beginning, the decline in their performance is subtle. They start to feel that something is off, so they don’t bring as much intent to their efforts. They back off just a bit. That’s not to say they feel their life is lacking. “I have a lot to be grateful for,” they will say. But the issue is not about something external they should feel grateful for—it’s that something inside doesn’t feel right. Like Kate, they’re frustrated or restless even though life is good.