[Riku is unaware if Sora feels ignored. He is convinced that Sora is incapable of feeling negative or weak emotions like jealousy, and most certainly not on his account.]
[Riku watches this demonstration, because he does, in fact, care about his hair.] I see. How do you, with so much hair? Doesn't it get tangled?
[Riku grabs the shampoo and goes to it with his hair, not taking much care in it besides to get it all in there and rinse it all out. He then picks up the conditioner bottle skeptically.]