In psychology, if a person wants something to move in a certain direction, they often pay more attention to information that supports their hypothesis and ignore information that contradicts it; this is what people commonly refer to as "confirmation bias."
And Yang Peimin's obviously evasive explanations only reinforced Shen Yixiang's resolution to act, even though there was nothing overly inappropriate written in them.
Mrs. Shen, too, began to waver after being affirmed by her daughters; she truly wanted her son to settle down with a lifelong partner. Now that he finally took a liking to someone, if things didn't work out this time, who knows how long they would have to wait.
But if that girl really had poor health and it was detrimental to childbearing... she was very conflicted.
