Anonymous said: Hi, i was wondering if you could answer my question : I don't understand why the Doctor and River travel in opposite directions ? She has a vortex manipulator, why couldn't she keep up with the doctors adventures, instead of going the opposite way?
I don’t think it would matter much. Imagine that River and the Doctor are facing opposite directions: she can transport herself to be totally parallel to him, aligned at the same event in time, even experiencing it side by side, but she’s still facing one way and he’s still facing the other. I think the manipulator can only really change where you are in time, not which direction it flows for you.
Also, I’d imagine that constantly using the manipulator to keep up with someone’s events like that might have lasting consequences, either for the wearer or the section of the universe itself. (Think back to The Angels Take Manhattan, with the Doctor being unable to return to 1930s New York City because the fabric of space had been already so messed up from the angels and the TARDIS.)
I’ve never heard a definitive answer about this though, so if anyone else has any input or other theories, I’d love to hear it!