During an encounter judged as stressful, cortisol is released by the
sympathetic nervous system
hypothalamus
pituitary gland
adrenal glands

adrenal glands

explanation:

during an encounter judged as stressful, cortisol is released by the adrenal glands. cortisol is an element which combats stress and essentially you try to feel better.

answer; the best answer is (demand);

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.