I am sorry, that I have to dampen your hopes.
I was diagnosed in 2006 at age 50 and have anything BUT a mild case. Things have gotten much worse the last year or so.
My diagnosis in 2006 was Lupus SLE, a year later they added RA and this year Sjogrens.
My rheumy even said the opposite, the older you are when you are dx, chances are that you have had the disease for a long time, without being dx, that way it had more time to do damage. That makes sense too.
I hope in your case, it is milder, because of the menopause.
I may have been dealt a bad hand, but at least I'm still playing with a full deck. ( most of the time anyway).