Even when they're thinking about something they would describe as pleasant, they're actually just slightly less happy than when they aren't mind-wandering.
حتی وقتی به چیزی بنظر خوشایند فکر می کنند، در واقع یه کمی کمتر خوشحالند نسبت به زمانیکه فکرشون متمرکزه.