Why is she not surprised?

"I am sure Donnie is a very reliable young adult."

This is said in a perfectly composed tone of voice, even if there is a small emergency alarm going off inside her. If the Vault collapses in a giant explosion, she will know why. Moving on down the list... rice, wheat... she would have to ask if she could have some to grow for the next season's harvest. Perhaps she would attempt some crossbreeding.

"What are these?"

She gestures to some vibrant blue flowers.

"Beautiful, really."