hey lara10, i want to join drained1996 and say

i can imagine the anxiety you must be feeling at the moment. you may have heard that consistent boundaries are especially important in a relationship with someone with BPD, and then you get this reaction, and wonder where you went wrong.
And is he going to return again or it will stay like this for good since now he feels like his pride has been really shaken?
its hard to say. is this your first breakup? a more in depth look at the history of your relationship may tell us a lot, and help us better support you in this situation.
you say hes blocked you everywhere - do you have any means of contacting him?