You might have said that her soul was naively unconscious of the agony of others in loss.

She would have taken any loss to herself with an amazing equableness--some qualms, of course, but not many--because her vanity and sense of charm would have made her look forward to something better or as good.
She had called on Aileen quite regularly in the past, with or without Harold, and had frequently driven with the Cowperwoods or joined them at the theater or elsewhere.

She had decided, after becoming intimate with Cowperwood, to study art again, which was a charming blind, for it called for attendance at afternoon or evening classes which she frequently skipped.

Besides, since Harold had more money he was becoming gayer, more reckless and enthusiastic over women, and Cowperwood deliberately advised her to encourage him in some liaison which, in case exposure should subsequently come to them, would effectually tie his hands.
"Let him get in some affair," Cowperwood told Rita.

"We'll put detectives on his trail and get evidence.