Harry's eyes dropped to her wrist...and he stared. He didn't mean to, but the black spot on her wrist looked just like the one on his arm. It was shaped differently, yeah, but it as more the fact that she said it had only shown up this morning that concerned him.
Sliding up his sleeve left sleeve, she showed her is arm, bare and unmarked, except for a black spot that wound its way around up toward his elbow. It was a bit higher than where Dark Marks used to reside, and its proximity had made him nervous. "I woke up this morning with this," he replied, his voice as carefully even as he could possibly make it.