You'll want to present and substantiate any evidence that you have that she is fit to work. Things that you've already mentioned in your posts that would be helpful to you: 1/ She worked 9-years ago. 2/ She's working part-time now. 3/ The children are mature enough that they don't need her to stay at home.
You need to understand and counter whatever arguments she has for not reestablishing her career. I don't know what you mean by her claiming she has a "work record".
He try to argue that he's already supported her for 3 years as she ran up debts and he helped pay them off with forfeit marital assets. She's had her rehabilitative maintenance and she spent it.