Twenty-four hours... I assume everything is archived though, Garcia would be able to give you a better answer.
[ So many looks, he could start a collection! Have one back. It's like Christmas up in here. ]
Have you actually seen someone genuinely walk through a wall before? Or bumped into the Doctor — the Doctor — in the library? There's a big difference between telling yourself not everything is the same across every universe and actually seeing it. [ Pause. ] It took me a few days to stop believing I was crazy. I'm still trying to catch up.