You are her guardian and trustee.

I sometimes think my memory is failing.

I found her out quite by accident.

It must have been going on for quite a long time.

Heaven will reward her, Turner! One cannot doubt it." He absent-mindedly seized two pieces of bread from the basket offered to him by a waiter, and began to eat as if famished.
"Steady, man, steady," exclaimed Turner, leaning forward with a horror-stricken face to restrain him.