Why do we need affection in our life? So today I was reading a book and I found something interesting that I want to share with you guys. The need for affection in human beings being is unique in the sense that we are social species who require a certain degree of contact with other human beings. Let me ask a question to you guys. What do you seem we have to need for affection, especially in our romantic relationship them very simple because it makes us feel sick or unwanted by another individual