I'm not by anyway comparing BPD to bipolar. I just realize how similar the episodes be and they can occur in a matter of a day. I swear, when things are going surprisingly well for me, or I am having the time of my life. The happiness and confidence I experience is on a level similar to hypomania. 

This is the whole reason I thought I had bipolar first before I knew what BPD was. I get so happy, chatty, and even confident when I'm in a scenario where I flourish. But come a time where I am alone and can think, I start hyperanalyzing every move I did when I was in that state. 

I've been able to control those thoughts better with a few lifestyle changes. But I still get these random euphoric episodes, and then in a couple hours I'm neutral, not talking as much, or not as confident, so I'm sure this confuses people. It very well could be my medication as well that's aggravating it, but I used to have similar episodes off meds. Maybe not as often, but I did. Anyone like this?