The speaker discusses strategies to de-motivate undesirable behaviors, emphasizing the importance of stopping the trigger, making it harder to do, and finding ways to demotivate the behavior. They highlight the emotional and positive associations tied to certain behaviors, such as popcorn symbolizing relaxation and family time. The speaker suggests an internal approach to de-motivating behaviors, using techniques like considering the negative effects, internally shifting motivation levels, and reframing the behavior as different from a reward.