Final answer:
The Wife of Bath from Geoffrey Chaucer's 'The Canterbury Tales' claims to be an expert on marriage and relationships.
Step-by-step explanation:
The Wife of Bath, a character from Geoffrey Chaucer's The Canterbury Tales, claims that she is an expert on marriage, having been married five times herself. She speaks authoritatively on the dynamics of relationships between men and women, and she uses her personal experience as the basis of her expertise. Throughout her tale and the prologue to her tale, she expounds upon her views of marriage, control within marital relationships, and the pursuit of happiness for women.