hi dpadilla and welcome!
i think all of the symptoms you describe could fit with the dx of BPD. with BPD, there are identity issues as well, i've read. i'm glad that you're seeing someone and getting treatment!
are you seeing just a psychiatrist for meds, or also you also seeing a therapist for talk therapy? the combination using works very well in helping a person discover more about themselves and their actions/reactions.
anyhow, i'm glad you're here. welcome, again
kd