Read it through once

Added to all this weight of work and the forbearance exacted of her by her father, there was the worry consequent upon Mrs. Mitford’s failing health. Judging by the letters of the period it is evident that the mother’s condition was growing serious. Her mind was often a blank and, as the winter drew on, there was a recurrence of the asthma which sapped the little strength remaining to her. “My mother, _whom few things touch now_, is particularly pleased,” wrote Miss Mitford to William Harness _à propos_ of a visit he had promised to pay them, and concerning which she added:—“You don’t know how often I have longed to press you to come to us, but have always been afraid; you are used to things so much better, and I thought you would find it dull.”