I found myself in bed this morning trying to cheer myself up. I gave myself a pep talk, starting with the little things.
I said: Ann, if you get up, you can watch an episode of the big bang theory. And you can have tea and adobo. Then you can curl your hair whichever way you like. And then you can talk to Annabelle. Then you can edit your essay, which really won't be that bad. Then you can call that Peter guy to edit your essay tomorrow. And then you can go to work and not have a sucky time.
I find these mini pep talks useful, if you start with the small things and go on from there, you'll realize that the situation you're in really isn't that bad.