Kyle Does Not Feel Close to Anyone

Kyle does not feel close to anyone. He feels alone because although he can get to know someone (a woman) quite well on a friendship level, he doesn't know how to get beyond that to a more intimate level. This situation is depressing him. This is an example of what interpersonal psychotherapists refer to as an:

A) interpersonal role transition.
B) interpersonal loss.
C) interpersonal deficit.
D) interpersonal role dispute.