"I don't know, it... I felt something taking effect. It was a very peculiar sensation. I could feel parts of my mind fogging over and then... the fog simply left."

He rubs his hands over his face. "Nnngh. While I'm sure this information is valuable, it's also exceedingly unpleasant. I shall simply have to assimilate it as best I can, I suppose." Here he sprawls rather tragically. "I'm not entirely sure how, though."

There's a beat or two of silence, then he looks at Vash. "The worst of it is... I hurt you." He frowns as though in thought. "I've never given pain while intimate unless it was wanted."