For many people here, a large contributor to their depression is the feeling of isolation and loneliness. Here on SP it is hard to talk to someone directly and effectively. On Facebook you can get support and talk to someone in real time, and you can also post your ideas more efficiently. They aren’t lost with time, the ones that are most active are at the top of the page. It’s not something you have to do but it has helped me immensely. I strongly advise you think about it.