I'm a junior in college, I work part-time at the campus library, and I suffer severely from Bi-Polar Disorder, ADD, and minor OCD. I find that writing helps purge my system of the depression I feel so often. If I have writer's block, I try to enjoy some Earl Grey tea with milk and honey, check the internet for people dealing with writer's block, too, and search for things on Etsy, Tumblr, Flickr, and Amazon. Random things. Things I want. Things I hate. Just something!
I treat myself to new things. I bought a brand new film storyboard template Moleskine notebook for myself to focus my newest script thoughts so I can donate it to the TIFF Bell Lightbox at some point in the future. I like to go to stores and tattoo shops, the library; leave notes in books for people to find and cheer them up. This helps me get through my depression, my writer's block, and any problems I'm having.
Of course, just talking to a close friend about my writing and problems helps, too. I have one very close friend from my city who loves to write, and we talk about writing and gaming (because we love to game, too) and help each other out. I don't know if he's doing NaNoWriMo again with me this year, but I hope he tries.