The facade of a good daughter-in-law, how long does it last?

Sources:

1. Netflix show https://www.netflix.com/title/81564452
2. The Indian Express (Oct 16, 2019). Koodathayi deaths: How a 17-year-long charade of a loving wife, mother, and 'pious' woman ended. https://indianexpress.com/article/explained/jolly-joseph-koodathayi-deaths-kerala-serial-killer-6070753/
3. The News Minute (Oct 14, 2019). Deconstructing Jolly: How the Koodathayi woman meticulously built her web of lies. https://www.thenewsminute.com/kerala/deconstructing-jolly-how-koodathayi-woman-meticulously-built-her-web-lies-109981
4. The Hindu (Oct 7, 2019). Koodathayi serial killings: A timeline of events. https://www.thehindu.com/news/national/kerala/koodathayi-serial-killings-a-timeline-of-events/article29612028.ece
5. India Today (Oct 12, 2019). Kerala serial killer Jolly Joseph: A story of sex, lies and cyanide. https://www.indiatoday.in/magazine/cover-story/story/20191021-kerala-serial-killer-jolly-joseph-a-story-of-sex-lies-and-cyanide-1608249-2019-10-12
6. NDTV (Oct 8, 2019). How Kerala Woman's Brother-In-Law In US Cracked Serial Killings Case. https://www.ndtv.com/kerala-news/jolly-joseph-kerala-murders-how-kerala-woman-jolly-josephs-brother-in-law-rojo-thomas-in-us-cracked-serial-killings-case-2113336
7. Firstpost (Oct 11, 2019). Kerala's Koodathayi serial killings: How SP KG Simon's logical deduction, scientific probe led to Jolly Joseph's arrest. https://www.firstpost.com/india/keralas-koodathayi-serial-killings-how-sp-kg-simons-logical-deduction-scientific-probe-led-to-jolly-josephs-arrest-7476831.html
8. Onmanorama (Oct 11, 2019). Koodathayi killings: Jolly's NIT 'job' was the first big lie that started it all. https://www.onmanorama.com/news/kerala/2019/10/11/koodathayi-serial-killing-jolly-nit-professor-lie.html
9. Hindustan Times (Oct 21, 2019). Kerala serial killings: How Jolly Joseph’s 14-year-long lies led to 6 deaths. https://www.hindustantimes.com/india-news/kerala-serial-killings-how-jolly-joseph-s-14-year-long-lies-led-to-6-deaths/story-U7s1kE1D1hZ9X6P43LSS9N.html