She couldn't match Situ on this front for many reasons, and the key ones being he was reborn and thus older than her, as well as experienced than her.
So when he spoke something he was just passing time, and also reminding himself, not just Xiaohe.
At this moment Xiaohe's mind was in the right place, not because of anything, but the trembling feeling from the Phoenix bloodline in her body. It was more like excitement than fear exhibited by everyone.
"I need to go back into seclusion and it is best to not come out unless I have no further way of improving." Xiaohe was able to feel that her potential was far from being completely exploited in the Essence Qi realm. Perhaps she could not just increase her realm to perfection, she could even further strengthen her foundation, and this might be useful for her future.