My cousin and I were only 6 months apart in age. In her late teens, she converted to Mormonism while the family lived in Utah. She was a good Mormon, although she did have ONE exotic cocktail when I took her out to dinner when I visited.
I would see her almost every year as my grandmother lived with her and took care of her little girl when she worked.
When she converted, I read everything I could find in the library and questioned her about the Mormon faith. LOL! There were no computers then!
She died when she was in her early 40's and, just prior to her death, she told me that the only regret in her life was that she was not temple worthy. The reason was that she couldn't tithe. She had to raise many thousands of dollars for possibly life-saving surgery towards the end.
The main reason she regretted not becoming temple worthy was that she was unable to bind her then two children to her for time and eternity. She explained that once bound to her, her children would be her children in heaven. Otherwise, according to her, she wouldn't know her children when they entered heaven.