Ron turned to look at Fred, listening intently as ths plan was laid out before him. At the offer of help, Ron perked up and look from one brother to another, "That's sounds brilliant," and he hesiteated for a moment, "But how can I help? I'm not near as good at spells and things as you two are," and he frowned slightly, "I'd love to lend a hand if I could," he said, and then he sort of sat up straighter.
"Now wait a second! You aren't going to...test anything out on me? Are you?"