It also came to Betty that, from how he tends to Cathryn, they were wrong to assume that Keith had a thing for Ada. There seems to be a great misunderstanding here, which might be shared with Ada as well.

She does not like Ada, though.

Ada had a cheap craze for things that were common in the bottom mass. Water flows lower while men go higher.

This is the law of nature, even though Betty had nothing against the poor, she wouldn't call Ada a friend.

Therefore, she ...