Clinical Depression

I feel like I'm in a black room full of full black balloons that keep getting fuller. I'm scared of what might happen when my room is so full of black balloons I can't breathe anymore. I fight the depression every day, all I do every day is hide in my house and when I hear a car hope that they are not coming to my house. Then my dog continues to bark, I tell her to hush, as if then the people on the porch will go away, but of course they don't go away; they knock till I have to answer the door. Most of the time I'm so hateful they feel uneasy, and finally they leave and I can go back to bed.