Unused to anything really being fast enough to stop him, Billy is definitely not expecting the barrier, skidding and them slamming into it with a groan as he attempts to pick himself up like nothing had happened. Those red hot cheeks? They were always like that, what are you talking about?

"...Hey," he greets sheepishly, "...no luck yet, huh? You been that way yet?" he asks, picking a path at random.