It might be that Thyrza had earned it, but perhaps it was given to her by an enemy--under this name Lydia had come to think of Egremont.
She told Gilbert in private.

The concealment from him of Thyrza's address he seemed to accept as something quite natural.

He drew a sigh of relief, and, as Lydia left him, gave her a look whose meaning was not hard to understand.
The new day did come at last, and at last Lydia was in the train; she had remembered that by which Thyrza went with Bessie, and she took the same.

A strange feeling she had as, instead of going to the work-room, she set off through the sunshine to the railway station; a holiday feeling, had she known what holiday meant.

That she was going for the first time to the sea-side was nothing; her anticipation was only of Thyrza's look and Thyrza's first kiss.