It could always be possible that it could come back on her in a negative way later.
Perhaps he would not be able to change his course of action from how he was supposed to, and her intervention was needless in many ways.
The only reason she intervened in such a way was the result of her having already intervened once she stole the ancient book from them.
It was her way of correcting things to put them back on track, but she added some parts to test to see if things would change in his life if she altered the smallest thing.
He got copies of the pages she prepared for him, which could let him take a completely different path than the one he was originally supposed to take.
There was a little empathy that she felt toward him as his story was a little similar to hers in some ways, but his future actions would be a little more reckless and disastrous.
