I feel so dead inside

Am

I recently came out of an abusive relationship that ended bc he strangled me anyway I since have met a new guy and he seems great, he really likes me but I feel nothing. I shut down bc the pain of everything was too much and I'm dead inside. I don't want to push him away and I want to like him back but I have no emotions. I'll be starting therapy on Halloween and I started having nightmares with my ex in them. therapy will help me feel again in time right? Or how can I help it along? I feel so numb now and I didn't realize I shut down till one day I felt nothing