Yes, in my experience, pwBPD have abrupt changes all the time. They live on a roller coaster ride. Sometimes I would talk to my girl (when were dating) and in 10 minutes she would go from loving me to hating my guts. Or one day she would love me and the next day she would be completely cold. Its very common of pwBPD in my experince, and from what I've read.
She would say so often that it is so different for her when the person is not there.
pwBPD lack object constancy. Did you read the thread on object constancy that I sent you. Its very good.