"She is our balance wheel.

She doesn't say much, but whatever she says counts." "How ridiculous!" scoffed Anne.

"These self-reliant persons don't need a balance wheel, Mabel." "Some of us do," observed Grace, an expression of pain in her fine eyes.
"You don't," contradicted Elfreda pointedly.
Mabel eyed the two girls reflectively.

"I'm a mind reader," she announced.

"I understand both of you.