which behavior is a nonverbal way of communicating in a healthy romantic relationship?\nusing…

Brief Explanations:

Non - verbal communication involves sending and receiving messages without words. Using nicknames, sharing secrets are verbal forms. Laughing can be part of vocal non - verbal but is also often associated with verbal communication context. Maintaining eye contact is a pure non - verbal behavior that conveys interest, connection in a romantic relationship.

Answer:

maintaining eye contact