Wu Long knew that Hong Xinyi was not yet ready to dual cultivate with him.
The happiness at discovering he was alive, her love and longing for him, might've overpowered her anger at him in favor of accepting Wu Long's confession and finally taking their relationship to the next level, but it did not mean she wasn't still at least somewhat upset with him.
Of course, his behavior after their first kiss - both in promising to do everything he could for her older twin Hong Xinan, and in the sharp way he reacted to hearing about her attackers, as well as the revelation that he saved the twins from the ritual, and how he acted toward her in general - soothed a lot of that anger and hurt.
And understanding the reasons behind his past behavior made her consciously far more accepting of him.
But all of that was not to the point of getting her emotionally ready for physical intimacy.
