The Have a Nice Day episode opens with a discussion of dealing with people the program calls “toxic” and behaviors that make relationships difficult. “Toxic” is a colloquial word, not a diagnosis or a label that replaces professional assessment. This article focuses on boundaries and communication rather than categorizing people.
Start with behaviors and their effects
Note the behavior and its effect on your safety and wellbeing. Communicate boundaries when possible and seek help if there is harassment or violence. You do not need a negative label to explain that a behavior is unacceptable.
This summarizes ideas from a program; it is not mental-health advice or guidance for a specific relationship.