Caregiving is a worthy endeavor. There is no greater joy than to serve another. Even if it involves taking care of one from a not-so-great past relationship. All families have issues. This is an opportunity to forgive and make it right.
Once all the emotional baggage has been cleared out of the way, you're free to worry about the only thing you really have to worry about, which are the practical aspects of physically protecting your mother from herself.
And although the dementia from which she suffers seems to visit more frequently, it hasn't reared its ugly head today. Instead, I find myself dealing with another important medical issue: GladyO's persistent question about end of life.