There is something in that request which makes the line of her smile flex with amusement. It doesn't quite manifest into a laugh, but it's clear that the impulse is there, bright behind the eyes.

She is not laughing at him. Not really.

"How enduringly selfless you are, Mister Ellis. No souvenirs, no special requests from my correspondence, the loan of your dog, and the good will of your friend. One of these days, I will successfully trick you into asking for something you want and I'll be very pleased with myself over it."

But lest they linger over this outright threat unecessarily—

"You will take care of Mister Stark while I'm away, of course."