Vic felt so much better when she saw him smile and she actually let out a sigh of relief when he said he didn't want to let her go. She actually physically relaxed a bit at those words and moved so close to him that he could touch her if he reached out. She wanted to be close to him, and those words from him were all she needed to allow herself that.
Then her face twisted into a bit of an angered look at his second statement before she held out her hands to push him just a tad, even if she was the one to get close to him. "Don't you dare, Teddy Lupin! Only say that if you mean it."