You really need to address your anxiety issues Secretsquirrel as they are being transmitted to your little dog. Neither of you should be so co-dependent. Unless you get sone help with this nothing will change.
I have two rescue dogs at the moment and they are in kennels with the cat until we return from USA. I think there has to be some balance in a life with pets so we all can be happy. Our animals restrict us to some extent if we plan days out as we never leave them for more than four hours. If necessary we have friends who will call in and check they are ok etc.
Desperately sad story of the assisted suicide of a grieving mother
