Keith endearingly watched as the merman ate the pizza, obviously enjoying it. It was irresistible by all earthly creatures, and the man expected that, but he wasn't hungry enough to join him with the eating. He looked at the slices left on the box, though, before he pushed the box away and leaned forwards, patiently waiting for the art the merman was going to draw for him. His chin still rested on his palm and he looked up at him as he leaned closer, this time for his own turn.
At first, he mirrored his drawing of the sun but so much happier than his own turned out to be. There were smiles, Keith in a boat, Shiro following him - which particularly had his heart swelling at the pureness of the feeling. But soon that happiness, the widely smiling fish with the adorable looking tails that reminded him of something he drew as a child in his old sketchbook, was wiped off and in came the moon. He recognized immediately the phases once he saw them. It felt like a slow passage of time, until the merman attempted to draw a huge creature that looked like he was merfolk, but with a bigger shark tail and much deadlier teeth.
Soon even more devilish creatures replaced the happy fish, and the mood felt sour. At first, Keith thought it was some nightly terror, but when he looked up again and caught sight of the cut on his shoulder, Keith knew he wasn't laughing around right now. He frowned, wanting to know more about this merman, how horrible he had been to Shiro. So, as best he could, he drew how he expected an arena to look and then drew the scary creatures then the merman defensive and ready to fight then he drew the bigger merman towering over them, before his eyes snapped back up. He was very sure he understood this correctly.
But his next question was: why couldn't Shiro run away? What made him stay around in the arena, or was he always forced to fight? So he crossed off the deadly opponents and Zarkon and then drew Shiro smiling again, hoping that would get him an explanation as to why he hadn't achieved that peace yet.