Mon, 09/25/2023 - 04:58 Tech Insider Elon Musk can be a difficult person to be in a relationship with, Walter Isaacson's new biography on the billionaire reveals.Nathan Howard/Getty Images, Kurt Krieger/Corbis via Getty Images, David M. Benett/Dave Benett/Getty Images for Bulgari, and on Kopaloff/FilmMagic Tags Tech Insider, Transportation, elon-musk, Grimes, amber-heard, talulah-riley, walter-isaacson, elon-musk-biography, elon-musk-family, elon-musk-kids, Analysis, tesla, spacex, Musk Source Elon Musk might be the internet's worst boyfriend. At least that's what it seem…