Answer:
Ig its sorta like betrayal
Step-by-step explanation:
In the beginning is when the husband and wife converse about him cheating and wanting a divorce which later plays into the murder. Mary (the wife) was pregnant and happy with her home life as a wife and she felt betrayed that he would cheat on her and push for a divorce when she thought everything was going well.
(It's been a while since I read that so that's just what I remember)