She saw, therefore, the great change that came to it, as her meaning became clear to him.

Her first feeling was one of shocked realization that Arkwright had, indeed, been really blind.

Her second--she turned away her eyes hurriedly from what she thought she saw in the man's countenance.
With an assumedly gay little cry she sprang to her feet.
"Come, come, what are you two children chuckling over ?" she demanded, crossing the room abruptly.

"Didn't you hear me say I wanted you to come and sing a quartet ?" Billy blamed herself very much for what she called her stupidity in so baldly summoning Arkwright's attention to Calderwell's devotion to Alice Greggory.

She declared that she ought to have known better, and she asked herself if this were the way she was "furthering matters" between Alice Greggory and Arkwright.
Billy was really seriously disturbed.