The positive I can see is that this draws a line in the sand and from this point on you create your own new life for you and your son. (How's high school going?) You are tired after such a long, long struggle. It's time to clear your mind and give to you rather than H.
It's time for you to make some goals and plans. Post them here so we can help you!!
Sending you peace and future happiness. Stay in touch now.