> If you think that makes me callus, you need to develop a thicker skin. Since GP also made the typo, I don't know if/to what extent a joke was intended here.

> If you think that makes me callus, you need to develop a thicker skin. Since GP also made the typo, I don't know if/to what extent a joke was intended here. (The adjective, here intended to mean "emotionally hardened", is "callous". A callus (noun) is a region of literal thickened skin. Although "callous" can also literally refer to skin which has calluses.)