Robert Thomson's personality might not be as intense as David Thomson's when it comes to the clear distinction between love and hate. However, once someone crosses his bottom line, he will become ruthless and abandon even his family.
This time, his inability to tolerate Avery Clark's actions any longer led him to report her to the police. Regarding their future as a mother and son, he would probably only maintain a superficial relationship with her. As for caring and love? Oh, sorry, he has never experienced motherly love, so he won't bestow filial devotion on her either.
"I understand." Emma Smith was not a saint and initially had no goodwill towards Avery Clark. The reason she asked about Clark was simply out of concern about whether she would go to jail.
Since Robert said she wouldn't go to jail, Emma's one concern was gone, and she wouldn't unnecessarily speak on behalf of Clark.
"So tomorrow, your mother will come...."