Hiro leans forward, scrunching his nose, reaching out to brace himself on Subzero's nose with both hands, taking in every whir and shift of the optics -- because he's never been quite this close. He's completely fearless, curiosity outweighing anything else.

At least until pizza is questioned. Then he steps back, arms crossed, looking perturbed. "Uhhhh, pizza is the best food, thanks a lot."

He exchanges a brief, surprised look with Sam, just as startled as her that this newest Cybertronian doesn't know anything about human. Then he grins, lopsided and a little nervous now. "Well, uh. Thanks for not squishing us. We're pretty breakable compared to you guys."