 Tom visits Dr. Greene to learn some vital clues about Danny's past, though he is slightly disappointed with the result.Tom views Greene as a somewhat self-important man, and he responds with disapproval when Greene forces his wife to answer the front door, when he is in a much better position to do so.His wife describes him as being ""impervious"" to the horrors of the children that he faces each and every day, but this also produces a sense of detachment, and Greene often sees only what he wishes to in people.