I don't care what happens to my mom or grandmother?

Both of their health is declining due to the covid-19 vaccines, and I told them once me and my children and I are gone, we will not attend their funeral services or visit them on their sick bed. They don't care and before anyone says anything, my mother and grandmother both treat me like garbage in front of my children. Next year, I will be relocating out of state going homestead - I have no plans of rekindling with my family or visiting them once we leave.
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They don't understand this please help..
I don't care what happens to my mom or grandmother?
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