"Oh yes!" Thorax said brightly. "How about I tell the blood sucker, who I am alone in the forest with, that he gains the ability to shift how ponies perceive him when he is hopped up on changeling blood. That sounds like it'd be great for my health." Her face dropped as she gave him a wry expression. Handy bounced his foot on the floor, thinking. If he could pull that off without meaning to, could he do it on purpose?