As one gets older being sad and miserable can become a bit of a habit. To counteract this, she suggests making a point of savoring such things as the tastiness of a piece of fruit, or other small things we might have been prone to overlook during our younger, busier days.
Rumer GoddenIn good company your thoughts run, in solitude your thought is still ... In talk your mind can be stretched, widened, exhilarated to heights, but it cannot be deepened; you have to deepen it yourself.
Rumer Godden