You sound so tired out and frazzled! You have a lot going on in your life just now. new parents are usually sleep deprived and having a custyody battle going on is just going to add to that. Be kind to yourself. This will pass. Life will get better!
Is there anyone who can look after your daughter overnight so you can just have some 'me' time? A long soak in a bath and a good night's rest could work wonders!
Remember to take care of yourself. :ghug3