Hazan and Shaver found that, like infants in their attachment relationships, adults fall into the following three categories in their love relationships:

A) secure, insecure, volatile.
B) ambitious, authentic, altruistic.
C) avoidant, anxious-ambivalent, secure.
D) intimate, approach-avoidant, secure.

Hazan and Shaver

Researchers known for their work on attachment theory in adult relationships, proposing that patterns established in childhood influence later relationships.

Insecure

Experiencing uncertainty or lack of confidence, often reflecting concerns about oneself or one's relationships.

Volatile

Characterized by or subject to rapid or unexpected change, especially in relation to emotions or reactions.