{{{{{Candy}}}}}}}} As someone having been Armus at one time, I know how it feels but I also know that Depression is one of the worst liars there is.
I know the you you've let me see and being what I think is a good judge of character, I KNOW you're NOT any of those ugly things you say you feel like. You may FEEL like it, but feelings lie to us, too... after all, depression is a feeling.
Something else I learned when I was in the pit is that we really don't want to here anything positive, we don't believe it. Put it in neutral and go see your MD. Talk to her (I think it's a woman?) and tell her you need your anti-depresants either changed or upped or whatever, but you can get out of this. You need a sleep aid, too. Don't stop with your MD. Get the heck outta Dodge as soon as you can! Make it your goal and dream for now. Being with your sister obviously is not good for you. She may think she's helping but she's doing exactly the opposite. She's bringing you down!! ARGH!!! Wish I could give her a piece of my mind!!
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Psalm 119:105 Thy word is a lamp unto my feet, and a light unto my path.