"You hadn't exactly agreed to -" Zechs looked away slightly, feeling even more flustered. He could recognize after a moment he'd do the same for a stranger in Sephiroth's position. "- regardless. I should be thanking you, instead."

Despite having enough self-awareness now to feel a bit chagrined about the state he's in - he's still feeling incredibly relaxed, content. Hopefully he didn't accidentally get the better end of the deal. "How are you feeling now?"