I get very tired and overwhelmed easily, as well. It is probably partially due to my sleeping difficulties, and partially because, well, little things can stress me out or set me on edge. I get frustrated with this, because I want to be able to work harder or get more done, and I can't seem to push myself as far as many other people here can. Often, I just end up falling asleep or too brain dead to do anything.
As for the TV watching, I don't have TV now, but I have a tendency to become obsessed with certain shows or animes. The current one is Neon Genesis Evangelion, and I often find that if I'm not watching it I'm thinking about it, or comparing things from my class readings to it, instead of the films we are watching for class. I also watch lots of music videos from it and read fanfics (and even wrote one, with a group of people). If I had more money, I imagine I'd be collecting more merchandise, as well.
I tend to relate the characters to people I know, which helps me understand them and my relationship with them better. For example, I am Rei, and my best friend is Shinji, and the friend that I don't always get on with too well because she's loud and unpredictable is like Asuka. My father is a bit like Gendo, and my mother, a lot like Yui.
I've also been watching a lot of Monk lately, though it hasn't really developped into the "obsession" level.