Hi Ninna:
It's a hard road you have travelled and good for you for getting your priorities in order and having the courage to start a-new! It is not an easy thing to do.
The loss of your relationship, regardless of the fact that it was not a good one, is still a loss, and so you will probably be feeling sad, lost, confused, empty, lonely, hurt, angry etc. because of grieving that loss.
It would probably be a good idea to do as the previous poster suggested and see if you can get some extra support right now. I hope you have someone you feel comfortable speaking with, in any case, because it does make it easier to get through things when we can talk openly with others about our feelings. Others can sometimes help us see some choices we may not have considered. Simply saying stuff to another person can be a big relief sometimes.
I don't have much to offer, other than my best wishes for you and for a wonderful, much happier future for you, which will come to you, once some time passes.
You said you are "trying to break the habit" (I assume you mean the N habbit) and that will take effort on your part to learn about stuff and to develop your instincts. You can gain wisdom (which really, is just knowledge and experience) and make better choices next time (you already have some experiences, so all you really need is a bit more knowledge).
Keep hanging in there Ninna. Good for you for reading here and reaching out! I hope each day will get a little easier for you.
s