A touch with permission is a good one, a touch without it is a bad one. Lazarus' understanding of the nuances and differences seems to end there.

"It would hurt, I'd almost think..." he comments. "For the follicle to generate so much at once, but... echoes don't follow those kinds of rules. People grow bigger or smaller without pain. So many physical things happen that don't occur as logic really dictates they should. I instantly put on muscle once... didn't feel a thing, just noticed I was moving differently."