No Dia dos Meus Anos(1992), a Portuguese movie directed by João Botelho, is part of the "Os Quatro Elementos" (The Four Elements)series. This is the second episode, O Ar(The Air). The other ones are "Das Tripas Coração – O Fogo", from Joaquim Pinto; "O Último Mergulho – A Água", from João César Monteiro and "O Fim do Mundo – A Terra", from João Mário Grilo.
Marcus is a successful advertising executive who woos and beds women almost at will. After a company merger he finds that his new boss, the ravishing Jacqueline, is treating him in exactly the same way.
Diana is a Roman wife happily married to sympathetic Paolo but she is keen on playing benign games of seduction with other men while resisting the advances of chic lingerie shop owner Silvio and she narrates her adventures to Paolo in order to stimulate their otherwise monotonous sexual life.