First of all, you have nothing to be sorry for. I am so sorry that you are going through this - it is just a terrible and heartbreaking thing. If writing your feelings down on here is helping you, then write away :)
I want you to know that crying is not a bad thing - and don't feel bad for not wanting to go back to work. Having a mc is just as painful as any other death in the family. If a person died you would grieve, and in the same way, you need time to grieve and mourn the loss of you little one. I know that no one can understand this grief, as to them, the baby didn't "exist", but as a mother, the pain is so much more deeper and intense.
Don't expect yourself to pick up and get on with life just like that. The more you try to tell yourself that, the harder it will become. Take time - do the things you want to do, not the things people expect of you. And know that you are not doing anything wrong or being over-dramatic - be kind to yourself.
I have had 4 mc's in the past 16 months - and they say that things get easier to deal with, but a mc is never easy to get through, because to me, it is a death of my child, and children should never die before their parents.
If you are prone to depression, then you may want counselling - this is something your GP can arrange for you quite easily. Some women find talking about the experience helps them deal with the pain.
Please remember, that you are not abnormal in the way you are thinking; I too feel like my life is standing still and there is nothing left to look forward to in my life. It's a very hard and long healing process, but with the right support and kindness to yourself you can get through this.
Once again, I'm so sorry you are going through this, and I hope you will be ok xx