Explain the importance of similarities, proximity, complementarity, social exchange theory, and reciprocity in the development of friendships.

Explain the importance of similarities, proximity, complementarity, social exchange theory, and reciprocity in the development of friendships.
Describe Sternberg’s theory of love and explain the seven types of love described in Sternberg’s model.
What is a co-dependent relationship?
Please write7 different paragraphs for each total 21 please