Be it as a daughter of the Shen Family or as a daughter-in-law of the Lu Family, Shen Lingshuang was someone who was protected way too well, born with a silver spoon, without any worries. Because of that, she might be overly naïve.
Of course, the nicer way of putting that would be innocent and sweet.
But realistically, she was a little dense.
As a person, she was someone without much consideration toward the things she usually did, and hadn't been through many things in life. Because of that, she didn't have a scheming heart, and was naturally less thoughtful when it came to resolving matters.
Furthermore, in her heart, this Yang Sitong was quite the decent lass—gentle and kind. The reason why she didn't think of her as a daughter-in-law wasn't because she didn't like her.
It was because her son didn't like her.
To her, a married couple should only get together because of love.