Rodolphus settled himself in one of the armchairs in his study and then slouched down slightly when he felt someone cross the wards. He used a few judicious glamours and a touch of basic Muggle trickery to make himself look pale and ill and the slight slouch would only add to the image. He'd never been one to dismiss something useful merely because it was Muggle and using Muggle tricks in this case was much more useful. Glamours and charms could be detected and he'd made certain that the few he'd used could be easily assumed to be making him look better rather than worse.
Theodore's request to meet had come at an excellent time for his own plans and he intended to use it. When he heard the knock on the door, he let his expression settle into one of weariness and fatigue but in a manner that looked like he was trying to hide it.