me [25M] gf [22F] should a relationship be a team effort.

so my [25M] apartment complex has a policy that if you're 12 days late on rent, you will be evicted. my girlfriend [22F] is mad because I'm between jobs and didn't have the money on time for rent and she had to pay the full rent by herself. she is now saying if I don't have the money for to pay her back for the half I should've paid and have half for next month by the 18th of this month, she is kicking me out and it's the 13th today. all regardless of my employment endevors. now this girl has told me many times she wants to marry me, then does things like this when she has plenty of money to help cover and she should know I'll pay her back no matter how long it takes. how should I move forward if she wants to marry me but won't help me out and makes me feel horrible by bringing up the same issues multiple times a day when I am clearly trying to fix things and figure it out.