Euphrosine paraphrase of Iago's speech: 'Beware of jealousy, it is the green-eyed monster,' in the "Othello" of Shakespeare" and recounted the anecdote that when Grétry heard the piece at the dress rehearsal he exclaimed: "It's enough to break open the roof of the house with the skulls of the audience." David Charlton comments that the duet "established a new standard of psychological realism for the post-Gluckian age." Berlioz regarded "Euphrosine" as Méhul's masterpiece: "It has grace, delicacy, dash, plenty of dramatic movement, and passionate outbursts of terrific violence and veracity. The character of Euphrosine is delightful, that of the physician Alibour
Jealousy observed in infants as young as five months. Some researchers claim that jealousy is seen in all cultures. However, others claim jealousy is a culture-specific emotion. Jealousy can either be suspicious or reactive, and it is often reinforced as a series of particularly strong emotions and constructed as a universal human experience. Psychologists have proposed several models to study the processes underlying jealousy and have identified factors that result in jealousy. Sociologists have demonstrated that cultural beliefs and values play an important role in determining what triggers jealousy and what constitutes socially acceptable expressions of jealousy. Biologists have identified factors