Shinji raised his eyebrows, an expression of surprise crossing his face. It was nice to be complimented in that manner, even if he wasn't sure how entirely true it was. He would have said that Dorian seemed a nicer guy than he, himself, did (and he seemed to be using 'nice' a lot lately. Clearly he needed to expand his vocabulary).
"I dunno if I'd describe balloons as a positive experience. They're just balloons", he responded. "Huh? No, go ahead..." Shinji trailed off, watching as Dorian chased a pile of balloons. At least he wasn't trying to play football or something with them, Shinji thought. He wondered how come he'd never touched a balloon before (although, of course, if he'd never been to a party before, it stood to reason).
Shinji laughed, his eyes reflecting his amusement easily. "They contain only air. It'd be weird if they were heavy", he responded, the corners of his lips turned up in a good natured smile.