"That's it, sweetheart, we're almost done," Tony cooed while he worked, and it might have been a sign of his appreciation for the help from his guests except that he was clearly talking to the door itself. His tone was not nearly as affectionate when he directed it at Felwinter and demanded, "What's with the coat, then?" It had quickly become much less cold in the forge with the gap blocked and the heat of the fire seeping back into all of the dark corners, but Felwinter's metal wasn't warming up quickly under Tony's toes. Tony did at least murmur some context into his work, "If radiation isn't a problem..."