Classy,

It sounds like you have had a “growing experience.”  Sorry.  You seem like you are still in the shock stage.  I would ask not how long it will take to get past this but how best to heal and learn from this.

First and foremost, always love and take care of yourself.  Do you have ways of doing that?  Exercise?  Circle of friends?  Fun and meditative activities (such as walks, hikes, etc.)?  Journalling?

Then once you have gone through some grieving and healing, start examining the relationship.  What was your role in it?  What about you and your upbringing, your family-of-origin that contributed you to stay in such an abusive relationship?  You probably will need a therapist to assist you to see the blind spots that you cannot see for yourself and to walk you through your background and unconscious blocks around relationships.

Be gentle with yourself.  You are not to blame nor there is anything wrong with you.  It takes time.

Mark