Final answer:
In the book, Kingston's mother tested their strength to establish realities through various experiences and exercises.
Step-by-step explanation:
In the book mentioned, the author's mother tested their strength to establish realities through various experiences and exercises. These experiences included exploring their bodies and how they related to them as mothers and sexual partners, examining their relationships and goal setting, and visualizing the systems in their lives. The curriculum also focused on trauma-informed techniques and self-regulation exercises to support healing and continued development.