It's as much you as it is me, I think. I'm loath to try to explain it without proper evidence, but my guess is that it's some sort of psychic resonance. Likely in a similar vein as the way you call your sword to you, only here what you've pulled is...me.

[She shrugs a little, though her mood does seem to perk up a touch at the prospect of scientific theory.]

Is there anything different about tonight, from what you do normally?