Block of the Writers variety

Yes, I am suffering writers block and it's really bad, I want to continue all my stories but I've lost my enthusiasm for writing at the moment, I have been feeling a bit depressed so I thought maybe a depressing story would purge me of that, I started and i'm currently working on it (this story idea is a short story, only one chapter, and I has been in my mind for a long time) but I feel bad for 'Shards of the Truth' and 'Excalibur and the Zerg' they haven't been continued for awhile and it's making me kinda sad, anyone wanna help me get back into a writing mood?