"Alright, granddad," this time she shouted it so Jonathan would at least hear a bit of it. But to soften the blow, she held up her hands in a heart shape and gave him a bit of a wink. He could handle a little ribbing.
But otherwise, she waited. Yes, Bill had initially thought the TARDIS was... a number of things - just a wooden box, then a knock through, then the industrial kitchen, then a lift... It had taken her ages to get the fact that it was a bloody spaceship-time-machine...