[Grey watches Manabu like a hawk (or maybe that mother hen he mentioned earlier) once Manabu lets go, but otherwise permits Manabu to explore on his own.]

...At a guess, I'd say a few weeks. But I can't answer with more certainty than that because there are too many unknowns in your situation.

[There isn't a lot of recorded medical information on what happens if you surgically move and replace someone's ears. But Grey does have something less dire to note!]

However, you're already showing improvement from where you were yesterday.