As a sufferer of clinical depression and the unrelenting cynicism that comes with it, it's difficult to make me smile or laugh. Sure, puppies are cute. Yes, memes are funny. But these things just don't do it for me. I look around at other people - normal, serotonin-having people - and envy their hearty laughs at restaurants and the smiles plastered on their faces during the hectic commute. I'm not about to ask what the hell they're drinking or smoking. Instead I silently envy the ease with whic…