I think that maybe both witches gain power through the marriage up to a certain point. She never loved the other girls so she broke it off after she got what she could from the marriage. Might not be as parasitic as it sounds.
It sounds like your life is falling apart and that it's impossible to stop the downward spiral of society, but have you tried dried leaves in boiling water?
Jayna usually let's Angela sabotage herself or schemes to reveals her true colors to others. Choosing an unflattering dress to directly sabotage her isn't characteristic of her and is also unpleasant.
I still remember that the eyepatch guy tortured the MC because he crippled his leg and and preventing him from going to the front lines. But nowadays he's literally the strongest character we've seen in action and is literally ripping apart entire armies by himself.
I guess he should be...