I haven't been diagnosed yet, but with my cutting I had always kept it secret-except when I am in am extreme emotional state during a fight with my boyfriend. I haven't right out told him I did it, but instead hoped he would notice. I did it sort of in front of him. I wanted him to stop being a jerk and to see he was hurting me.

I had one client (I'm an employment counsellor) who had BPD who would show me her cuts. It was really difficult to deal with. It was like she was proud of them in a way.

Don't know if that helps-I am I. The same position as you-fit the criteria and psychiatrist strongly suspects it, but not diagnosed yet.