I need some help if anyone is willing to listen

[b_squared]

She sounds like she is using you. Once you can no longer provide help in any way, your gonna be replaced. Times are rough, but there are still jobs out there.
And don't forget the plan of a desperate woman looking for cash, they get pregnant.
It sounds like you deserve better. Tell her you need a break in the relationship to work things out. Maybe after 4-5 months you will see things more clearly.