He tries to tug his hands away, shove them in his pockets- anything so he can leave. "It's nothing big. Don't worry about it."

He'd love to pass it off like it was nothing. But the problem with his particular power is that anything that happens to him in one timeline sticks to every other timeline he tries to jump to. It's usually a minor inconvenience, but now somebody's trying to look closer at the minor wounds.