No one can possibly offer the "right" answer, since there isn't a single one that is one-size fits all. That said: a persistent onset of symptoms/behaviors may offer insight into what decision is the best in your situation.

Fading and out? That's different from persistently not knowing -- such as not knowing from one day to the next compared to a total lapse in recall or recognition.

If a cause for concern, I'd acton the notion of not wanting any regrets in life. Just my take And, I wish you and your family the best .