1. What is Affiliative Social Behavior ?

Social behavior is behavior directed towards members of the same species.

Affiliative social behavior refers to all kinds of social behaviors that bring individuals closer together, or that are potentially beneficial to other members. 

<Examples>

●Parental behavior toward infant
●Filial attachment to caregiver
●Pair-bond between male and female
●Gregarious behavior
●Coalition (hunting in packs, mobbing ..)
■Sexual behavior
■Aggression (intermale, maternal, infanticide..)

2. Parent-offspring relationship

Mammalian infants require intense parental care to grow up, such as nursing (giving mother's milk), protection, and education. To guarantee survival and well-being of the young, parents are equipped with innate motivation for nurturing the young. Infants are also born with attachment, including following, crying and smiling to the caregiver.