Elon Musk's father, Errol Musk, plays a significant role in the biography, with frequent appearances 

Elon Musk describes incidents where he claims his father bullied and demeaned him, which Errol Musk denies 

Elon lived with his mother after his parents' divorce but later spent seven years with his father in Pretoria from age 10 

Elon Musk regrets living with his father, stating that he didn't realize how horrible he was at the time 

Kimbal Musk, Elon's younger brother, mentions their father's lack of compassion and his tendency to become angry 

Elon characterizes his time with his father as mental torture, and he believes his father could make anything terrible 

Elon Musk's mother, Maye Musk, feared her son might become like his father 

Both Elon and Kimbal Musk no longer have contact with their father 

The biography suggests that Elon Musk's personality was influenced by his difficult childhood with his father 

Elon's ex-girlfriend, Grimes, and ex-wives, Justine Musk and Talulah Riley, note that Errol Musk's treatment of his son had a profound impact on Elon's behavior and relationships, including associating love with being mean or abusive