It is my contemptible weakness that if I say a character smiled vacuously, I must smile vacuously; if he frowns or leers, I frown or leer; if he is a coward or given to contortions, I cringe, or twist my legs until I have to stop writing to undo the knot.

I bow with him, eat with him, and gnaw my moustache with him.

If the character be a lady with an exquisite laugh, I suddenly terrify you by laughing exquisitely.
One reads of the astounding versatility of an actor who is stout and lean on the same evening, but what is he to the novelist who is a dozen persons within the hour?
Morally, I fear, we must deteriorate--but this is a subject I may wisely edge away from.
We always spoke to each other in broad Scotch (I think in it still), but now and again she would use a word that was new to me, or I might hear one of her contemporaries use it.

Now is my opportunity to angle for its meaning.

If I ask, boldly, what was chat word she used just now, something like 'bilbie' or 'silvendy'?
she blushes, and says she never said anything so common, or hoots! it is some auld-farrant word about which she can tell me nothing.