Manuel has a good sense of who he is and is confident that what he does and how he responds to situations will him achieve his goals. manuel has

Internal locus of control.

Explanation:

Locus of internal control represents people who, like Manuel, believe they are in control of their lives, so they act on their own when they have to deal with problems that occur to them in the most diverse fields and understand the result as a consequence of their efforts and skills. . These people have common sense and have full confidence that they are able to achieve their goals.

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.