She doesn't like the look on Jamie's face in any way. In the past, she's had too many unpleasant encounters with such looks. Given that it's Jamie, Kaylee's hoping that this won't turn out as badly as that look indicates it might.

"You're right. You'll not be long, 'cause you ain't touchin' 'em." Kaylee extends a hand out to Jamie, a silent request for the part. When he doesn't hand it over, she reaches behind her to slide the cabinet doors shut. No access to the torches for you, Jamie. "Look, I promise you can come back and worry over it later, but for now please just go rest. That's all I'm askin', all I'll ever ask of ya again after this. Please, Jamie."