Italian Engagement (1964)

In this romance, a middle-aged playboy finds himself running his father's fur business after his father's death. He continues to allow his papa's mistress to run the business. The playboy's fiancee gets pregnant and he refuses to marry her. She dumps him in favor of his best friend. Soon the selfish man finds himself deserted by all his friends. He winds up involved with his father's patiently waiting lover.