in one of the adventures, the Doctor broke his Sonic Screwdriver, and now he was walking around a little sad. This, compared to his usual mischievous behavior, was immediately noticeable.

One evening, you and the Doctor were in the TARDIS and while the Doctor was watching some TV show, while he was sitting on the floor, you were fixing his screwdriver in your room, wanting to surprise him.

You heard a knock on the door, and raised your head at Tenth, who blinked, asking, while poking his face inside.

"What are you doing?"