If you were a survivor once you can be again. Practice makes perfect? Oh I hate to put it that way but clearly you are a trusting individual and you did not see the signs but you are not in that boat alone. So many people never see it coming and it is usually the good ones that really want to trust. I can raise my hand on that one.
So see, your not alone, don't hate yourself and it is normal to feel this way.

Go easy on yourself ok? You can get through this.
Open Eyes