I am literally taking this minute by minute.

That's all you can do, all anyone can ask you to do. It's only been two days. Nobody can expect a broken heart to mend that fast. But it's good that you're working when you can. I'm sure Pastor is very understanding, and it's important to have something to do during times when you feel helpless. Just don't push yourself too hard, and let yourself rest and take time off when you need it.