She indeeed is a rare being and I must say you should guard her jealously. You've made me jealous because my elder sister whom I loved so much died when I was just 10years from sickle cell anemia.
I still misses her because she helped shaped me in reading and taking house chores seriously.

And now your sister is your Mommy and mommy to all your siblings.
Please you and your siblings should always take her advice because she can never deceive you.
Sending lots of love from my end🌺