He felt it would have been ruder not to ask. Vax wasn't trying to belittle someone's hard-earned livelihood.

"You sound perfectly lovely," he hastened to offer the sweet voice. "It's just that where I come from, I would've had to work a good deal harder than poking some buttons that do I-don't-know-what to have a woman flirt with me." And 'lady favors,' as Grog had taken to calling them, weren't usually free. "You've not even seen me yet. I'm actually awfully ugly."