'Train her…'
Wasn't that exactly what he wanted?
It was.
But wasn't it also exactly what he wanted to avoid?
Yes, it was that too.
Sunny was in a strange predicament. The solution to the problem that had tormented him for many months had suddenly fallen right into his lap out of nowhere, but to make use of it, he had to do something that went against all his previous reservations.
He didn't want Rain to be connected to him in any way. If Sunny was honest with himself, he had to admit that he was drawn to her… or rather, to the faint, half-forgotten memories of a different, happy time that she represented. His desire to reconnect with Rain was both selfish and misguided, since he knew that nothing was going to bring those memories back to life.
…And if Sunny was really honest, he had to admit that deep down, he harbored a lot of resentment toward her, too. For having a loving family while he had none, for being fine. For not needing him at all.