[Solved] What are the advantages and disadvantages of collaborating for research and product development? Positivity Strategy: involves using affirmative and constructive communication or actions to foster positive interpersonal relationships. Suppressing Complaints: The act of intentionally holding back or not expressing dissatisfaction or grievances in order to avoid conflict or maintain harmony in relationships. Unrequited Romantic Interest: Feelings created when one partner desires a more intimate, romantic relationship than the other partner would like. Eros: Sexual, erotic love based on the pursuit of physical beauty and pleasure.