Hello Ms.G123456,
I would like to join
Circle in welcoming you here, I am so sorry to hear of what you are going through.
You say your daughter has BPD, can you tell us, has she received a diagnosis?
How old is your daughter?
As
Circle says, you will find many resources here, you can find them to the right

Under the TOOLS heading, you will see ‘Don’t React, Respond with S.E.T. reading through this may help you get started in communicating with your daughter in a healthier way. Please come back and let us know how you get on with it, we are here for you, to help and support you wherever we can.