The First Page

I am a morning person. I usually do my best writing while others are still in bed. For the time being, I'm still writing about Mrs. Bennet. I started writing in the first person and imagined how she met Mr. Bennet. My question is why would someone like her ever marry him and how do I write something fresh about a woman completely unsatisfied. I don't want her to just be another crazed housewife.
Here is a part that may have some potential:
I met my husband because he smoked. I worked at the corner drugstore and he would come over on his breaks to buy a pack of Marlboros. At first, I refused to talk to him, staying in my catatonic register state. When he said I was beautiful, something in me paused for a moment. It had been so long since I heard those words. Later in our marriage I hoped he would get lung cancer but it hasn’t happened so far.

I hate that him saying she was beautiful to her but I like the abrupt transition from beautiful to wanting him to die of lung cancer. I want it to be dark domestic humor/tragedy, like American Beauty.