He's noticing her lack of cleavage and getting an uncomfortable feeling that he might be dreaming.
Every once in a while he'll notice something that makes no sense and will give him pause until he finally realizes he's dreaming and wakes up in Kanto, to return to his dead-end job and drudgery. The dream will only serve as a reminder that he's wasted his life being lazy and carefree and is now stuck in a rut. But he won't get a second chance. He will never be 12 again.
