Key points are not available for this paper at this time.
Paul H. Wright, Timothy W. Keple, Friends and Parents of a Sample of High School Juniors: An Exploratory Study of Relationship Intensity and Interpersonal Rewards, Journal of Marriage and Family, Vol. 43, No. 3 (Aug., 1981), pp. 559-570
Wright et al. (Sat,) studied this question.