only have 6 months left to live in the end anyways.
She's do anything to take it all back, let Johnny take her body instead, let him live instead, but there is no undoing what's done.
She stays up all night re running everything they went through together in her mind,-
Post Game AU where V ends up being with River for her last few months of life, knowing she doesn't love him but doesn't want to be alone... she feels the weight of losing a major part of herself, the guilt of leading River on, and the fact she fought so hard and lost Johnny to-