"Sounds about right!" She replied cheerfully about Moody. "I keep telling him that I'm his fault. He could have failed me." But she must have done something right, so she was perfectly fine with just giving him guff.
"Snape is very good at what he knows. He is not good at all in imparting that knowledge. He shouldn't be a professor, but I'm not the boss." He had been an infuriating professor, and was still an infuriating man, but Tonks knew that one didn't have to like all the people one worked with.
As for what they did, what they were doing, Tonks thought about it, leaning on the wall this time - without missing- as she surveyed the area once more. "Imagine it depends on the magic's intentions. And it depends on whether time travel is a closed loop or creates alternate versions. Because, technically, if we're sent back, then you still do the same thing. I still meet you and Sirius this year and Ron's future history still happens."
"But if we're alternates now, that world will keep spinning and Hogwarts has created a new world, so to speak, to save itself. So then is there a world where it doesn't do that?"
Tonks paused, looking up at the vaulted ceilings. "Either way, lotta responsibility for us."