"If you do, I must be losing my touch." She goes along with the joke, but her smile is easier. More sincere. Lasts a lot longer, too. "It's a good wish."

He certainly hasn't disappointed.

"Go big or go home has always been your style though. I'll stick with ending world hunger. It's up there one the list of 'things not even the Avengers can do for the long term', no matter how much Tony donates to charity." Changing things they can't otherwise change seems safe.

And picking a noble change means keeping her more personal wishes to herself. Seems like a safe bet.