Final answer:
The level of nonverbal involvement in romantic relationships often reflects the intimacy, connection, and overall health of the relationship, as well as provides insights into comfort with public affection and verbal versus nonverbal communication preferences.
Step-by-step explanation:
The level of nonverbal involvement in romantic couples can indicate several aspects of their relationship. For instance, a high degree of nonverbal communication, like frequent touch, close proximity, and attentive body language, often suggests a strong level of intimacy and connection between the partners. These nonverbal cues can reflect the couple's comfort with public displays of affection, their tendency to engage in voice conversations over text messaging, and the overall health of the relationship. Social exchange theory posits that relationships are sustained based on a cost-benefit analysis, implying that positive nonverbal interactions could tip the scales toward a more rewarding and satisfying relationship. Moreover, concepts like Sternberg's triangular theory of love, which includes intimacy, passion, and commitment, help to understand that nonverbal communication may contribute to expressing these components, particularly intimacy and passion.