“Nov10nHow do you deal with a negative person who needs to be taken care of but drains the life of me asdfadsf ”

Nov10nHow do you deal with a negative person who needs to be taken care of but drains the life of me? After being married for 48 years, I feel to see it then (otherwise my children will feel the burden). I also come from generations of guilty woman so my conscience roots me! Woe is me