Sweet Sago
Their vicious wickedness is going to be exposed publicly and perhaps Xuexin's poisoning and murder of the baby will be revealed too. If so, it's possible even her mother will be done trying to fight for her anymore. Xuexin's burning every single one of her bridges, destroying every relationship, and stripping away all her facades until all will know the greedy, entitled, vindictive black heart she has. Maybe this will bring Xinghe out as an acknowledged heir as well so that it's public knowledge.