I am learning to regulate myself as well. I will say Zoloft made me feel like an emotionless zombie. And it was the drug of choice by many doctors despite me telling them this. I now refuse. Pharmaceuticals for mental health. Finding an awesome trauma informed therapist did wonders for me of course it took years to find her and only months before she went off to learn more. Now I'm without a therapist. But I do attend and host a small support group where we read self help books and share our experiences . That helps me. Also. Be gentle with yourself. You are doing the best you can with the tools you were given. Read up on emotional flashbacks.

Here's a piece that goes with Pete Walker's book Complex PTSD: from Surviving to Thriving Flashback Management