it's more than that. She was used to an abusive relationship. I have asked her about her past, but I can't share that here. I kind of have it figured out, from my work with psych and battered women in the past, both personally and professionally.
It's low self esteem along with the belief at least subcontiously that you somehow deserve to be abused. The Ramsey strangling scared Sally, she started to fear for her life after that incident.
I believe that Ray was either actively or latently homosexual, too, and resented women, especially depending on one financially. Two damaged people, two destroyed lives. It's a tragety