My mother is 75 I know there are life expectancy tables I don't even want to know. She is not in good health. Hell her sister is 85 and is in better health than her. These are basically kept women.
How will I manage if I can only speak to her through the lawyers. My mother has been like my friend but she did me dirty.
Go after your Aunt. Your Mother doesn't have your inheritance does she ?
Whatever is more important for you. There are other sides of this story as well. No one here thinks you should have control over a fortune, you'd do dumb shit like get Chapo a Hell Cat with the fancy rims and support his drug habit.
I believe your family doesn't think you're fit to handle the fortune either. Med money can evaporate pretty quickly