Die Narzissten unter uns: Toxische Menschen erkennen und ihnen klare Grenzen setzen

The book offers actionable advice, and I'm curious what motivated Thomas Erikson to tackle this topic from a personal development perspective.

Some stories resonated deeply, making me reflect on people in my own life. Did these examples change how others approach toxic relationships?

The traits listed felt very specific—was there a particular research process or personal experience that shaped this selection?