The House of The Seven Gables by Nathaniel Hawthorne Chapter 12 Page 12

Then, moreover, she scarcely thought him affectionate in his nature. He was too calm and cool an observer. Phoebe felt his eye, often; his heart, seldom or never. He took a certain kind of interest in Hepzibah and her brother, and Phoebe herself. He studied them attentively, and allowed no slightest circumstance of their individualities to escape him. He was ready to do them whatever good he might; but, after all, he never exactly made common cause with them, nor gave any reliable evidence that he loved them better in proportion as he knew them more.

In his relations with them, he seemed to be in quest of mental food, not heart-sustenance. Phoebe could not conceive what interested him so much in her friends and herself, intellectually, since he cared nothing for them, or, comparatively, so little, as objects of human affection.