He would've lent a hand but Alec seemed to have it in hand, and before he could offer to help with the mess, Alec's speed kicked back in. Plus...it was kind of fascinating to watch someone else move as fast as he could, it looked different when you weren't the one doing it.
"It does that sometimes," he admitted quietly, now a bit more worried about what Alec would think of him, but the fascination of watching someone else use superspeed pushed that down enough that Cliff couldn't help but follow Alec around like a shy curious puppy. People were staring a bit which is part of what made him even quieter than usual, but he tried to ignore it as he waited in line with Alec. "So uh...what does it feel like? The superspeed thing..."