Yep. DBing doesn't mean being a doormat. You can say it nicely and respectfully, but I think it's totally fine to expect that she(the one choosing to leave) can pay her own car loan, so you can get one. TOTALLY reasonable.

Chris

__________
Me:39
H:39
D:8
D:4
M:9 (T 13)
Bomb 4-5-08, H moved out 6-16-08,
Reconciled and H moved back in 5-31-09
Still doing GREAT a year later!!!