The document discusses post-purchase consumer behavior, including the stages of post-purchase satisfaction and dissatisfaction. It describes how after making a purchase, consumers will evaluate whether they are satisfied or dissatisfied based on if the product meets their expectations. If satisfied, they may become repeat customers, but if dissatisfied they may switch brands, spread negative word-of-mouth, or take actions like complaining or legal action. The document includes a flow chart outlining potential post-purchase behaviors and responses to satisfaction and dissatisfaction.