Elon Musk Describes Mind-Bogglingly Painful Relationship with Amber Heard in New Biography
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Elon calls his relationship with Amber "mind-bogglingly painful" in new biography
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They met in 2013 but didn't start dating until 2017 after her divorce from Depp
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Elon's brother Kimbal called Amber "toxic" and a "nightmare" in the book
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After their 2017 breakup, Elon endured "18 months of unrelenting insanity"
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Amber says she still loves Elon, who "loves fire, and sometimes it burns him"