Bogart was a heavy drinker and smoker, and he had a reputation for being difficult to work with. Bacall was younger than him by 12 years, and she was more independent and ambitious. The two of them clashed often, and their relationship was often volatile.
Despite their problems, Bogart and Bacall remained married until Bogart's death in 1957. They had two children together, Stephen and Leslie.
After Bogart's death, Bacall wrote a memoir about their relationship called "Lauren Bacall: By Myself." In the book, she described their relationship as "passionate and stormy," but also "intensely loving." She said that Bogart was "the love of my life," and that she never stopped loving him.
Bogart and Bacall's relationship was a complex one, but there is no doubt that they were deeply in love. Their on-screen chemistry was undeniable, and their off-screen relationship was often tumultuous. However, they remained married until Bogart's death, and they had two children together. They were one of the most iconic Hollywood couples of all time, and their legacy continues to this day.