My mother is agoraphobic and it's severe. All I can offer is hugs and support. Just an idea ... You could of course with therapy if you do go out ... Even a block away if you have a smart phone. Get ready to post everything you felt. And be surprised how much support you will get here everyone is wonderful. Just a thought but I am a writer I write down ( depression ) all those unpleasant things we are afraid to say. It helps me. And the other forums ( fibromyalgia ) have really helped me see that I really am not the only one on the planet to have those thoughts.in fact some are verbatim to what I was thinking. You will find a lot of support here.
Take a stick and break it. It snaps. Now take the two pieces and put them together, now it breaks but now it is harder. Now take the four pieces try to break them it is a lot harder now. Get the picture? A single stick is one person, easy to break when it's alone. But the sticks ( people ) surrounding the stick the less likely it is to break. Welcome to our Forrest