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All this Mrs. Archer felt, and her son knew she felt; but he knew also that she had been perturbed by the premature announcement of his engagement, or rather by its cause; and it was for that reason--because on the whole he was a tender and indulgent master--that he had stayed at home that evening. "It's not that I don't approve of the Mingotts' _esprit de corps_; but why Newland's engagement should be mixed up with that Olenska woman's comings and goings I don't see," Mrs. Archer grumbled to Janey, the only witness of her slight lapses from perfect sweetness.