I speak from experience. I also had much animosity with my daddy and mummy. I left the city for 2 months in a DIY self sustainable caravan on a sabbatical to go to some bushland like Daniel Komen's abode. Nearest cell tower was 50km away. Lived alone in completely natural environments for miles and miles, just me, sunlight, fresh air, scented leaves and flowers, cosmic CMB and earth's magnetic field. Didn't use or touch any digital electronic device that emits a wireless signal at all. Had to sometimes use an electric current using the caravan's DC to AC converter but power it down after use.
I came home to daddy and mummy after 2 months a changed man. Kissed them and all, hugged them, soaked them up. I couldn't know what animosity meant in the English Dictionary despite being a paradigm of one just 2 months earlier before I left on a natural sabbatical! My brain chemistry and function, CNS and ANS just totally factory-reset to the stone ages, one filled with cherishment, kindness, love, peace and especially morality. My brain just knew what's morally right, and, morally wrong, and mother nature was the one that thought it so, not school teachers, university lecturers or religious pastors!
How did I achieve a 'change in brain chemistry and function' in 2 months? Well I didn't go for any lobotomy or psychosurgery, I just went from modern city and suburbs to rural stone ages and the trick was done. I could stay longer, maybe 2 years, but I had to return to the city to work. From that day on I knew all the 'animosity' I ever had for anybody, not just my parents were all a god damn bloody fake illusion! Once I saw the real, I understood what was fake and that felt like being release from jail. Boy was I a newfound man!