Sentence:  Anxious, as if I knew even then in my infant <WSD>know-nothingness</WSD> that my life would be torn apart by people who I'm sure meant nothing by it but were instead pursuing their own lives and their own hearts and dreams and beliefs and aspirations and horizons, much like I would and am, yet somehow I am tossed from this family of mine because I chose to do what my heart suggested and yearned for, for which a reason there is no better. 
Meaning of the word marked with <WSD> tags:  The state of knowing nothing; ignorance.