Doesn't do you any good to avoid stiffness if you make a fracture worse, or jostle something into bleeding.

[His tone was scolding, but not cruelly, merely concerned. He shifts his weight - and the weight of the jug - to look at Dean, eyes narrowing.]

You'd do her better to focus on internal injuries, fractures, things that won't heal with the aid of cleaning and a bandage Dean.

[Oh yes, he was telling Dean what to do. This was his job damn it.]