PHEW! [ She mimes wiping sweat off her forehead. ] Sorry, I'm so bad at ages, I was worried you were gonna say twenty or something and make me feel ancient.

[ But then, genuinely, she smiles and kisses him on the cheek. ]

Happy late birthday, brother.

[ On to the kitchen, after that, to peruse in search of a snack. Or a meal, she didn't actually eat dinner. ]