Also you dont have to live where you live. If you dont like your neighbour and she makes your life that miserable, you can either try to ignore it, accept it or move. Moving is 100% an option and it could be a change of scene would be just what you need to feel more like yourself again. No one, not just you, would be happy with a full scale neighbourhood war on their doorstep. That would drain anyones motivation and energy, not just yours, so it isnt anything wrong that you are feeling that way, anyone would in your situation. A year is a long time to be miserable. Would you be willing to consider moving as an option?