Aw, they're not that bad.

[And he demonstrates by growing a pair of his own, pretty proud of himself for working out shapeshifting at all and happy to show it off. Partial changes like that are, in fact, easier than a full transformation. His are rabbit ears, though. He finds those are the easiest, if he wants something big.]

And it didn't last. When I spoke to the miller, his ears were back to normal.