It is so hard with the job situation, her A, and her down right spiteful behavior.
These are all fixable problems. What's the goal? How will I achieve it? Take action, get feedback, adjust and move on. Swallow the elephant one bite at a time. You can handle it.
M22,H45,W45 S21/18D12 Retain faith that you will prevail in the end, regardless of the difficulties and at the same time confront the most brutal facts of your current reality, whatever they might be.