F alling seriously ill, like falling in love, can happen all of a sudden – although this film is not exactly about either. Drive My Car director Ryusuke Hamaguchi’s new movie, co-scripted by Hamaguchi with the Franco-Japanese screenwriter Léa Le Dimna and his first not set entirely in Japan, is a bold and high-minded if rather pedagogic work that spreads itself over three hours. It’s tender and sometimes beautifully made, but also contrived and occasionally features some too-good-to-be-true caring characters. Frankly, it’s rather precious. Hamaguchi and Le Dimna have taken as their starting point the nonfiction book You and I: The Illness Suddenly Get Worse by Makiko Miyano and Maho Isono, a meditative correspondence between a philosopher and medical professional on the subjects of love and mortality.…