Hi, grasshopper. Welcome to the family!
What kinds of damage do you anticipate will be done if you leave? Physical damage? Emotional, financial, accusations of abuse, acts of retaliation?
We have many members here who have gone through similar situations.
One thing we advise people to do is to make a safety plan, even if there has not been violence in the relationship. It helps to have things planned out instead of leaving in the heat of the moment or impulsively.
Safety FirstAre your finances separate right now? Who pays the bills? Do you have enough money to secure other living arrangements for yourself at present?
When you say she threatened you, what did she threaten to do if you left?