Even though she knew that Bo Yan might have just been acting out of gentlemanly decorum, protecting any woman close enough to him, rather than safeguarding her specifically.
She didn't have such a high opinion of herself to think that after arguing and bickering one second, a small peck and a hug could reverse his feelings for her and make him fall for her. Of course she wouldn't change her view that quickly either.
But this feeling of being unconditionally protected, she hadn't experienced it since her mother left.
...
The turbulence didn't last too long.
Soon, the plane was flying smoothly again, the alarm was turned off, and it was safe to unbuckle the seat belts and move around freely.
But Bo Yan didn't move, and Xia Siyu didn't urge him. They continued to embrace, seemingly waiting for complete calm before separating.