"Both times she came here with Potter and Weasley, I noticed instant chemistry between us, and then when she was taken I knew immediately that something wasn’t right.  I tried to see if there was a bond, and there was.  It appears that I am soulbound to her as you are."  He looked from Lucius to Severus.  "Perhaps the curse I hit her with at the Department of Mysteries is to blame.  She is the only one I know of who has survived it."