Robinson is the original cougar, so to speak. She seduces Benjamin simply because she is tired of her marriage and wants a fun sexual encounter.

What was Mrs. Robinson connection to Ben?

Robinson is an older woman who becomes involved with Benjamin Braddock, a recent college graduate and the protagonist of The Graduate. At Bens welcome-home party following his college graduation, he awkwardly encounters Mrs. Robinson in his bedroom, and she later convinces him to give her a ride home.