One of my sisters sometimes gets frustrated with me because I never call to "talk it out" when I'm upset. It's hard to explain, but that's not how I'm used to handling things. Sometimes I don't want to talk about IT because it will just make me cry (and I still hate to cry in front of other people) and sometimes there is no IT to talk about. Sometimes No Thing is wrong, or maybe it's just that No Thing is right.
There's a web comic that describes depression quite brilliantly. I imagine almost everyone has seen it, it went around Facebook for a while (which might tell us something about why we're on Facebook to begin with). Here's a bit of it that might explain....
Does that make any sense?