Responses

Her husband is obsessed with her. The operation canary can be done without him marrying her but he insisted to the royalties. He see her as his possession and not a wife. He remembered his past and afraid she will kill herself so his attitude towards her will change but still obsessed. Her first plan for divorce will fail and realized he is powerful so she needs the Marquis
Spoilers pls? But I can kind of guess how it's going to play out