Just do it and that your finances cannot endure any additional charges outside of living expenses at this time. I did it and it's the truth. At this point you don't know what funds you will need to maintain your current sitch.

If she charged without your consent I would move back in without hers and say money is too tight.

H-50
W-48
T-19
M -18
S23, S14
BD - 5/9/2018
OM discovered 5/10/2018

In house sep - 8/18/2018
Rope drop 2/15/2019
R'ing since 3/15/2019