Aging relatives could be hiding their frailty

I have a client who is in her early 90s and lives independently in a senior apartment living complex. She pays her bills, buys her groceries, showers regularly and cleans her home daily. At least that is what she will tell you if you ask her.
Recently, I scheduled an appointment with her to drop off a small bistro table for her patio. At one period in her life, she was a nun and continues to live by a vow of poverty, spending only enough money to survive. She had completely forgotten that I was