Oh man, that wasn't an easy ending. Rodney in Mer might be able to get back, but he's going to have to face another tough sell. I'm also not sure he'll be able to really find his place again, since it's clear that whatever remains of Mer is having a big influence on him. And I don't really see a happy ending for Meredith and John either. Even if he fixes the device, her body is occupied and in another universe! Great fic.