The Mom, the Sad, and the Drugly

Homer continues his cheating ways and when Marge confirms her suspicions, she is devastated. It leads her to start drinking but that won't be enough. When Homer returns home from his night out, Marge and Homer get into an argument. In the morning, it is revealed that Marge hasn't slept all night. She is broken, and turns to Homer's leftover pain killers. She gets higher than a kite. Later that year, the house is a mess, and Marge has become a druggie. One day she overdoses and Homer finds her body.