[River's smile grew mysterious and dangerous. It was the smile that made men run and daleks beg for mercy before she killed them. Rose wanted to talk about the impossible? She thought eliminating Daleks from time and space was something to boast about?

River had news for her. That was nothing compared to what her love for that silly mad man led her to do and will continue to lead her to.

And quite frankly, she could tell that no matter what she said, Rose felt self righteous about her love for the Doctor. That alone made River pity her of all things.]

The Doctor doesn't need someone to hold his hand. He never did and he never will. The mere fact you think that is rather hilarious and very childish. What that man needs is someone just as mad as he is to get right into the thick of trouble with him.

[She pauses for a moment, considering something and then says it anyway.]

If you really think you wiped the Daleks from existence then, you failed. The Daleks are very much alive in the future and nasty as ever.

[Vindictive? Probably. But, she couldn't resist.]

As for promising him 'forever', that notion alone is rather ridiculous.

Times end, Rose. They have to. Even my time with him draws to a close and even though it hurts him, he needs those moments to appreciate the good times and grow with the bad times.

As for knowing him better...

[All River had to do was whisper one word into his ear and he would trust her without fail. However, that was never, ever done lightly. That was reserved for the most dire of circumstances.. a secret that she would take to her very grave and she had a feeling was very well going to.]

Spoilers.