You know you do get yourself very untidy when you get a chance, Stevie." Mr Verloc was already gone some way down the street.
Thus in consequence of her mother's heroic proceedings, and of her brother's absence on this villegiature, Mrs Verloc found herself oftener than usual all alone not only in the shop, but in the house.

For Mr Verloc had to take his walks.

She was alone longer than usual on the day of the attempted bomb outrage in Greenwich Park, because Mr Verloc went out very early that morning and did not come back till nearly dusk.

She did not mind being alone.

She had no desire to go out.