I'm 20 years younger than her and I don't care. I need to be with her.
Isn't she married, though?
She wants to get a divorce and I want a wife
As long as you are both single adults and consenting, you can enter a relationship if you want to. Just make sure you are both on the same page.
I'm going to end up married to her.
I hope the relationship works out for you both. I hope you can be happy with each other.