"That chair. If you're on the couch, or a different chair, then ..." she paused, and sighed. "Then I'm afraid it just won't happen Potter."
She did wonder if he'd wait up, or set one of his mates there. She thought if he did that, she might snog whoever he'd left there - just to get to him. Which left her to wonder why she wanted to get to him, but she supposed she had her reasons, convoluted as they might be.