These scientific guys should let her go already and give her independence. And help with maintenance whenever required, since it is their responsibility.
I know the author is trying to make them appear like decent people, but it's almost like slavery. She is just as intelligent as a human, so she should be granted that statue and not be treated like an experiment.
That's what you get for abandoning your girlfriend and marrying a man you don't even love because your family tells you to... She should just divorce him, forget about her past and start a new life. She has a very good job so money not an issue.