The loner, often a young white male, is described as unable to have interpersonal relationships, other than superficial, with peers & adults. They tend to feel isolated & lonely much of the time, with no one to confide in when they feel upset. They feel hopeless & have difficulties in communicating thoughts & feelings, including signals for help, to anyone. Describes the parents; discusses treatment, e.g. identifying loners, & need for long-term treatment. Presents 2 case illustrations. (KM)