I am sorry you are feeling so depressed. I suffer from Depression/Bipolar/BPD etc.. I know depression makes you feel like you are a nobody but as my T says "just because you feel a certain way does not make it the truth or a fact. It is what you are feeling at that moment in time and that time will pass." Try to enjoy what is left of your vacation even if it is spending time by yourself figuring out what you can do to help improve your marriage. I am currently sleeping in our spare bedroom and not even speaking to my husband nor does he speak to me. If we have to tell each other something we email each other or stick up a note. I know how hard it is when you are feeling low and then your marriage is suffering also. Hugs to you....