Z. Yan Wang explains the reproductive stages and subsequent death of the female octopus, in this New York Times article: https://www.nytimes.com/2022/05/14/science/female-octopus-death.html?smtyp=cur&smid=tw-nytimesscience and this UW News article: https://www.washington.edu/news/2022/05/12/octopus-cholesterol/