Black humor is a strange humor used to express non hilarious things that happened in this disordered world, like things you would never find funny but in the sense the comic puts it in makes you end up laughing at it.
             The usage of it in "The War of the Roses" is done fairly well, considering divorce isn't funny in the real world but the way Danny Devito puts it makes it look more humorous then you would give it credit for. The style of this wild comedy has developed a horrified interest and keeps us laughing as the darkness grows around Oliver and Barbara. They met in Nantucket under a cluster of dark clouds probably meaning there marriage would end up the way it started, dark and gloomy. When Oliver became a successful lawyer they bought Barbara's dream house and she became obsessed over decorating it. Through out the whole movie you can see the couple splitting apart scene by scene, such as when Barbara wanted to start her own catering business and wanted no help from Oliver and finds her own identity that threatens Oliver's control over their marriage. Another part in the film that showed black humor was when Oliver went to the hospital and was treated for a heart attack but ended up being diagnosed with serve indigestion, Oliver got mad at the fact that Barbara didn't go to the hospital nor did she called to see if he was ok, that all resulted in
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             Barbara liken the feeling of happiness thinking her husband wouldn't be coming home which made her think about a divorce so she can get that sensational feeling again. But Oliver found it very appalling for her reasoning of it "Because every time I watch you eat, when I watch you sleep, when I look at you lately I just want to smash your face in" And you think she wouldn't do it but she does. There is also some irony in the film for example when Oliver received his car for Christmas and said "I'm more than happy, I'm ...