Even unconscious, there's a part of her that recognises the arms around her, the scent that permeates the fog clouding her brain. The realisation isn't enough to drag her up from her faint, but it does provide some small measure of sub-conscious comfort.

Were she at all herself, she'd be embarrassed by the situation; as it is, she simply lolls in Lucius' arms, feet dangling and long blonde hair falling in her face.