Meanwhile, Mrs. Knox, the widow, had continued to live at Rose Villa. It belonged to Arnold, having descended to him in right of his mother. Mr. Knox had bequeathed by will five hundred pounds to Arnold for the completion of his studies; and all the rest of his money to his wife and second family. Lefford talked of it resentfully, saying it was an unjust will: for a good portion of the money had been Mary Arnold's and ought to have gone to her son. It was about three hundred and fifty pounds a-year in all; and Mrs. Knox bewailed and bemoaned her hard fate at having to bring up her children upon so little. She was one of those who _must_ spend; and her extravagance had kept her husband poor, in spite of his good practice. Never a hint did she offer her step-son of paying him rent for his house; never a word of thanks did she tender for the use of it. Arnold said nothing: he was thoroughly warm-hearted and generous, considering every one before himself, and he would not have hurt her feelings or cramped her pocket for the world. As long as he did not want the house, she and his half-sisters and brother were welcome to it. When he came back from London he naturally went to it; it was his home; and Mrs. Knox did not at all like the addition he made to her housekeeping expenses: which could not be very much amongst the nine others to provide for. The very day after Arnold's bargain was made with Mr. Tamlyn, she asked him how much he was going to pay her for his board. Half his salary, Arnold promptly replied; seventy-five pounds a-year. And Mrs. Knox would have liked to say it was not enough. "Seventy-five pounds a-year!" cackled Lefford, when it got hold of the news. "Why, it won't cost her half that. And she using his house and enjoying all the money that was his poor mother's! Well, she has a conscience, that Widow Knox!" The arrangement had continued until now. Three years had elapsed since then, and Arnold was four-and-twenty. Mrs. Knox found herself often in money difficulties; when she would borrow from Arnold, and never think of repaying him. She was now going to increase expenses by taking a nursery-governess. Awfully tiresome those children were, and Mrs. Knox said they wore her out. She should have managed the little brats better: not indulged and neglected them by turns. One hour she'd let them run wild, the next hour was shrieking at them in words next door to swearing.