[Solved] Which element of the fibrous pericardium stabilizes the position of the heart and associated vessels within the mediastinum? A) reticular fibers B) collagen fibers C) skeletal muscle D) elastic fibers E) cartilage 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.