That was a quickly burst bubble and Tony's shoulders dropped, disappointed, but it wasn't all bad. New blood, and they knew their plants, maybe there could be an art to the process of discovery instead of waiting for Tommy to poison himself on the wrong experiment. "Tony Stark," he offered, brightening as the herbalist finally raised his gaze and bouncing closer to offer a hand. "Come on in, show me what we're working with, tell me which ones are going to give me a rash because, between you and me, I've got a couple that I'm hoping I can blame on a leaf. Watch your step," he instructed, waving back to the forge and the puddle from the dripping bucket.