It’s been a while since I’ve seen this, but I thought she only went to NPH because she needed him for money. Obviously she didn’t actually want to stay with him, and as soon as he started trying to control her, she started scheming.
I understand how political it is, but at the end of the day, it would be a sexist double standard limiting women if you could only write positive roles for female characters. Sometimes a genre trope is just a genre trope. Anyone but an MRA bigot should realize that fiction & reality are two different things.