I'm in need of professional help.

Been experiencing rapid mood swings lately. It's been about 10 months, I'm coming out of an extremely abusive relationship. I've been working on setting stronger boundaries. This has led to fall outs with a lot of friends including a few close ones too. I'm afraid I'll fall into addiction. I've recently realized I've been a people pleaser. Although I'm constantly working on myself to change these personality traits that harm me, I'm finding it rather difficult without any help and professional advice. I'm no longer talking to friends and family about my feelings and even though not immense, but slight difficulties in being productive. I've had break ups in the past, but my last relationship is still clinging onto me and I don't wish to hold these memories as a lesson of how weak and naive I acted. I've a lot of childhood trauma that I've neither spoken out loud or written down. I've always suppressed these feelings, emotions in the past but as I keep growing up, it's become v difficult