It was just plain not FAIR that Riku couldn't kiss Sora; couldn't assure him that Riku didn't see him as that 'too sweet' immature, asexual kind of being.
"Sora." Riku moved closer and pressed his forehead against his boyfriend's. "I will get you used to it," Riku promised. "I... I don't really have that kind of social experience either, other than running from it, but as long as we're together, I think we'll be okay."