Or he's blinking, or miffed that the trainer doesn't seem about to choose him.
This. The blinking is the immediate thought that came to my head, I don't know why so many people think it's him not caring. And, for the record, there IS another topic about this somewhere. Which is why I can say "so many people".
"The point of war is not to die for your country. It's to make the enemy die for his."