Hi Lost in Roanoke,
I just wanted to briefly pop in and say welcome

It sounds like you have recently discovered BPD and the knowledge is overwhelming. Many of us here have felt much the same. But I want to encourage you to continue posting and reading, everyone here has someone in our lives with BPD/BPD Traits and there is hope, tools, information and support to be found here.
I hope when you are feeling up to it you will share more of your story. How long have you been with your girlfriend? Can you share what kinds of behaviors you have been seeing? Is there a particular thing you are struggling with most?
Hang in There,
Panda39