ten o’clock
But this simple incident for some reason struck everyone as strange . Talking about common acquaintances in Petersburg , Anna got up quickly . `` She is in my album , '' she said ; `` and , by the way , I 'll show you my Seryozha , '' she added , with a mother 's smile of pride . Towards ten o'clock , when she usually said good-night to her son , and often before going to a ball put him to bed herself , she felt depressed at being so far from him ; and whatever she was talking about , she kept coming back in thought to her curly-headed Seryozha . She longed to look at his photograph and talk of him . Seizing the first pretext , she got up , and with her light , resolute step went for her album . The stairs up to her room came out on the landing of the great warm main staircase .