If the spectrum linking everyday depression to Major Depression sometimes hinders understanding of it, it also offers an opportunity for empathy. Because almost everyone, at some point, experiences feelings of sadness, of hopelessness, of emptiness, not to mention lethargy and irritability.

I wasn't one of those kids who grew up wanting to write or who read a particular book and thought: 'I want to do that!' I always told stories and wrote them down, but I never thought writing was a career path, even though, clearly, someone was writing the books and newspapers and magazines.

It's not that we like sad movies that make us feel like, 'Oh, my God, what a bummer.' We like emotionally moving experiences. It's nothing new. It's catharsis. It goes back to the Greeks.

I like to relate to my kids as they are. I enjoy spending that time with them. I see that my girls are so completely different and different from me, too.