In the middle of a calm conversation, a person with tourette's syndrome might suddenly begin shouting and follow that with a string of obscenities. this is similar to the symptom of schizophrenia called:

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.