It was only after Bianca ascertained that she hadn't spilled anything that she realized Oliver had a heating pad on his leg and that made her suspect he was injured. Or at least had very tense muscles that she probably hadn't helped at all by bumping into him. "Oh...I didn't...I didn't make your injury worse, did I?" Her voice seemed to have shrunken in on itself as she asked the question, as if terrified she'd managed to hurt him in some way. You'd thing a seer would be able to watch where she was going!