They do cite https://en.wikipedia.org/wiki/Nonviolent_Communication https://en.wikipedia.org/wiki/Nonviolent_Communication . A "toxic relationship" by most defi

They do cite https://en.wikipedia.org/wiki/Nonviolent_Communication https://en.wikipedia.org/wiki/Nonviolent_Communication . A "toxic relationship" by most definitions you will find contains mostly elements of emotional and verbal violence, which have a broad range of definition. Pervasiveness of violence, literally thousands over thousands of studies: https://apps.who.int/violence-info/ https://apps.who.int/violence-info/ WHO definition of intimate partner violence: "Intimate partner violence refers to behaviour within an intimate relationship that causes physical, sexual or psychological harm, including acts of physical aggression, sexual coercion, psychological abuse and controlling behaviours. This definition covers violence by both current and former spouses and partners.", of which they say 26% of all women have been affected of at least once in their lifetime. They call it "devastatingly pervasive": https://www.who.int/news/item/09-03-2021-devastatingly-pervasive-1-in-3-women-globally-experience-violence https://www.who.int/news/item/09-03-2021-devastatingly-perva... "An average of 24 people per minute are victims of rape, physical violence or stalking by an intimate partner in the United States — more than 12 million women and men over the course of a single year." "1 in 4 women (24.3%) and 1 in 7 men (13.8%) aged 18 and older in the US have been the victim of severe physical violence by an intimate partner in their lifetime." "Almost half of all women and men in the US have experienced psychological aggression by an intimate partner in their lifetime (48.4% and 48.8%, respectively)." https://www.thehotline.org/stakeholders/domestic-violence-statistics/ https://www.thehotline.org/stakeholders/domestic-violence-st... Europe: The Council of Europe Convention on Preventing and Combating Violence against Women and Domestic Violence (the Istanbul Convention) (Article 33) defines psychological violence as “any intentional course of conduct that seriously impairs another person’s psychological integrity through coercion or threats.” "An estimated 37% of women living in the poorest countries have experienced physical and/or sexual intimate partner violence in their life, with some of these countries having a prevalence as high as 1 in 2." https://eige.europa.eu/newsroom/news/almost-1-2-women-eu-have-experienced-psychological-violence?language_content_entity=en https://eige.europa.eu/newsroom/news/almost-1-2-women-eu-hav...