Keep at it, digkid. You can get through this. :D
Just keep writing, even if it isn't part of the story. Keep writing to keep the flow. If you are away from any writing utensil, you could imagine the words through your head. Try that. Keep in mind the main plot and keep branching ideas while you have any sort of free time or do anything that requires little thought. Squeeze in the thoughts and keep them intermingled for the story. :)
I hope this helps.