The desire to identify with another; the desire to have one's true preferences divined by another (even when those preferences may not even be clear to oneself); the desire to surprise and to be surprised.
Giving gifts, she concludes, is part of a 'specialized communication' through which donors are able to express feelings that may not be easily put into words.
from 'Applied Drama: The Gift of Theatre', by Helen Nicholson, p. 164