You seem to be very intentionally dodging the question everybody in this discussion has been asking: Why are you, an adult, being taken care of by a family member?
Aside from very literally answering the question by saying, “Well my sister is taking care of me because Mom is gone,” you haven’t addressed the subtext of that question: why do you need taking care of at all? Do you have some form of condition that requires you to have a caregiver as an adult?
Please make careful note of sentences I have written that end in question marks (“?”)—those answers are important.