She told her landlady that a sudden necessity compelled her to leave; she would have a cab and remove her box at once.

There was the hazard that Sidney might return just as she was leaving; she braved it, and in another ten minutes was out of reach.

.
Let his be the blame.

She had warned him, and he chose to disregard her wish.

Now she had cut the last bond that fretted her, and the hours rushed on like a storm-wind driving her whither they would.
Her mind was relieved from the stress of conflict; despair had given place to something that made her laugh at all the old scruples.