There was a light of romance in his eyes, which, however governed and controlled--was directive and almost all-powerful to her.
When he touched her hand at parting, it was as though she had received an electric shock, and she recalled that it was very difficult for her to look directly into his eyes.

Something akin to a destructive force seemed to issue from them at times.

Other people, men particularly, found it difficult to face Cowperwood's glazed stare.

It was as though there were another pair of eyes behind those they saw, watching through thin, obscuring curtains.

You could not tell what he was thinking.
And during the next few months she found herself coming closer and closer to Cowperwood.