Hi continuouslyblue,
Thank you for the advice and for your understanding.I am sorry to hear of your troubles.
You need to reassess and maybe backtrack.You thought you wanted to get back with your ex and did so,you now realise it was a mistake,it isn't too late,it might take some work and be hard but you can leave her again and get your own place.Don't go on living in circumstances that make you unhappy.Change it and do it asap in the New Year.I wish you all the best and happiness,Happy New Year 2018xxxx