Birth control & Mood changes

I had recently come to a very good point in my life, I was happy with my relationship, my friends, my life as a whole. I had found a new and better me & was happier than I've ever been. Then even more recently, I started taking birth control (the pill) and I've taken a thousand step backs. Honestly, nothing in my life has changed.. my relationship, friendships, everything is the same except me. I'm always upset, even when there is no reason to be. I feel so lost & sad 24/7 and its so disheartening. I've read that it's very normal to have emotion changes during your first few months on the pill because of the hormones but I was just curious if any of you ladies have any advice..