Agree with JR here. I don't think you can manage her finances for her. I'd do it more in an advisory capacity where you are willing to help but not do it for her. i.e. You're there if she has a question but that's it.

Hang in there brother.

Me39
M11 : T13
D9
BD 5/31/16
In House S until 6/21/17
Divorced 10/5/18