Remind the dear lass that this accomplishment is more one of convenience than shall we say more cerebral activities.
She will always have with her, her most fundamental attribute. I occasionally use mine to open doors. My nephew used his before he was born to assist me in building a carport. (His mother was sitting on a board to hold it down while I adjusted its length.)
But now she may clothe that attribute in more fashionable and comfortable ways. You will, of course, have to take the young lady clothes shopping, you know.
I’ve promised her a princess nightgown if the toilet-use becomes habitual. And a tomato snake and a prize from her grandmother.