I've heard so many people tell those who suffer depression to just 'cheer up.' I wonder if they can really believe that it’s that simple.Depression isn't just sadness. It is emptiness, it is misery. It is pain and nothingness at once. When you are truly depressed you lack the ability or will to cheer yourself up. No one just ‘has depression.’ You suffer from it. This is depression:You will wake at 5, 6, maybe 7am, feeling as though you had only just fallen asleep. It’s likely you did. If you don't have to be somewhere, you could lie in bed for another 3 hours...too tired, too miserable and pathetic to crawl out of you bed. Or maybe you wil...