Nangong Beiying always believed in one saying: to those who look down on you, no matter how much you give, in their eyes, you're still just a clown, unworthy of notice.
Even if you give a lot, others will only see it as trying to please them, and won't respect you. That's why she thinks Mrs. Xiao treats her this way, because she thinks she's particularly undeserving.
So why not establish her own stance first? As long as she's strong enough, even if she ends up with Xiao Qi, she could change her attitude later on, instead of putting herself in a weak position now.
This was the best point Nangong Beiying could think of. No matter what, she didn't want that kind of situation. Otherwise, what grounds would she have to speak, she'd only be bullied more severely.
