His very movements revealed how concerned he was, and really, she couldn't blame him. It was how she had felt, from the first, when she learned Bill's movements were being tracked.
She cleared her throat and looked up at him.
"Percy. The cottage, where Bill and I live now, it is Unplottable. Bill made it that way after Remus and I were attacked." She considered him carefully. "If it gets bad, contact me. She can stay with us. If you need to do it to keep the both of you safe."