Plot (Spoiler)
While driving with Brian, Peter accidentally crashes into a woman’s car, leading Brian to take interest in her and ask her out on a date. He arrives at her house to pick her up, but soon finds himself attracted to her mother, Rita, and sneaks her home that night. Knowing he would become a laughing stock if the family found out he was going out with an older woman, he hides her until the next morning. Later, Brian bumps into the family and is ridiculed, and Lois invites Rita to dinner with the intention of getting her to reveal her age. At dinner, Rita is succumbed into admitting she is fifty. Infuriated with his family, Brian goes to console Rita, and proposes marriage. Later that night, Rita accidentally breaks her hip, and Peter warns Brian that the relationship will not last much longer now that Brian must run errands. Brian then succumbs to the temptation of having sex with another, younger woman, and Rita decides Brian is too young for her.