((((crushed_soul)))) welcome to PC forums.

From what you have shared of this girlfriend, while you are heartbroken, I think this gf is the kind of person who takes advantage and is selfish and entitled. She sounds like the type of person who only thinks of herself and her needs and this kind of person is not the kind of person you should consider having any long term relationship with.

Right now you are experiencing a big let down in that you did what a lot of people tend to do in that you fell in love with YOUR idea of how the relationship would be instead of the "reality" of how a relationship like this tends to deprive instead of nourish. People who are selfish can and often do take and take and if they don't get what they want they move on and simply shut others off for lack of usefulness. And, unfortunately, they often leave the person who did all the giving broke and feeling like it's their fault the relationship did not go well.

This gf did not "respect" you and that is not a person you should be thinking about having a long term relationship with. This cost you, but, learn from this because becoming aware of the red flags of a person who is selfish is important to recognize because as broke as you are now, down the road your loss could be a lot more substantial with this kind of person.