Rin realizes he's being looked at now, but he's too emotional to care. Besides, there's nothing wrong with people looking at him, because he isn't crying. He just got something in his eye. Like... the popcorn. Yeah.

"Neither of them will have to face prejudice again... They can just swim together for the rest of their lives."

Sniff, sniffle. If he just blinks a few times, maybe the tears will stay in his eyes.