I think I would leave her to make her mind up. Only she knows why she is burned out, does she need time out from any job?
If she's worked abroad she can handle herself leave her to get on with it. Lots of people and I suspect most of us were managing a family and husband as well as a job at her age. Only she knows what she wants, worrying as it is to you.
Desperately sad story of the assisted suicide of a grieving mother



