Naina and Samir, who are a couple, are passionate about each other. They are physically and sexually attracted to one another. They know that they can count on each other during the ups and downs of life, and they intend to maintain their relationship in the face of problems. However, they lack feelings of warmth or closeness toward each other and avoid sharing their thoughts.
According to Robert J. Sternberg's triarchic theory of love, Naina and Samir are most likely experiencing:

A. affectionate love.
B. consummate love.
C. romantic love.
D. fatuous love.

answer; i believe that the correct answer is (c) ///

i disagree that there is little difference between adult female development and adult male development. sociological studies comparing female and male pathways to adulthood, revelead that there are sustancial differences between them. particularly, female and male differ from timing of marriage, when they began to live with children and the likelihood of combining wife/husband and parent roles.

intimacy, passion and commitment are the components of a interpersonal relationship emphasized in the triangular theory of love by robert sternberg.

the triangular theory of love says love can be comprehend as this componest form the vertices of a triangle.  

intimacy relates to feelings such as of closeness and connection;

passion relates the drives that brings people together, as physical attraction.

commitment relates to the being in a long-term relationship.