When I'm home, I find myself full of ideas and intentions but barely able to lift a finger towards them. The small bursts of energy and ambition I get are indeed small, about enough to lift a body over towards the TV and flip a few switches before abandoning said body into the sweet entropic descent that is Dr. Mario. Which is what I inevitably do. (I think I beat the computer on hard mode about 70 times this week, no exaggeration.)
Despite repeated attempts to get up early and begin doing things, I find myself sliding towards the wee hours of the morning and the single digits of the afternoon. Despite long lists of to-do's and goals and projects and destinations, despite ample room and resources, despite a wide open schedule and the realization that this is the time people are always talking about—"when I'm finally not so busy"—despite all of this I find I can't move from my chair. I can't get out of bed. I can't dial the phone.
This wouldn't be a problem if I was merely on vacation, home for a week or two here and there to just fritter about lazily, going out to eat nine times a week, attending parties and reunions and such in the short span between semesters. But I'm not really on vacation. I'm out of school for nearly five months a year: three in the summer and two in the winter. Technically I should be working—if not actually out there doing a nine-to-five, I should at least be writing, knocking chunks out of my soon-due thesis. I should be reading and writing and furthering my life's work, tuning up some serious hobbies. And if not any of that, I should be playing with my 12 nieces and nephews during the short time that they're young and I'm here. I should be assembling the basketball goal that no one's been able to assemble at my sister's; I should be painting family's living rooms and mowing their yards; I should be making myself, if not useful, at least helpful.
So why can't I? What is it about home that debilitates?
I once had three theories to try and explain this. One had to do with the idea of going home as putting on your old skin, of inhabiting old habits when in old places. I've felt this a lot in past years, but I think it's wearing off, or at least being updated as time goes on. See, the idea is that it's hard to be yourself when you go home because the self you used to be when you lived there encroaches on your present self. You sleep in old beds in old rooms and start acting like a teenager again.1
Another theory has to do with the suburbs. I read a book by Žižek a year or so ago that made no sense to me at the time. It was about how modern society has replaced what's real with what is imagined to be real and how big things like 9/11 shock us into seeing beyond the suburban spectacle for an instant before the seeing beyond becomes the spectacle and the real is hidden behind the thought of the real again, etc. etc. (You see why I didn't understand it, yes?) Anyway, it didn't really make sense, and I really didn't read much of the book at the time, but when I went home a few weeks later for break, suddenly it hit me one day what he was talking about and why the suburban life might be dangerous at times. It really freaked me out.
The third theory actually has nothing to do with this.
Phew. It took me all day to write this. Every time the thoughts were there the energy wasn't, and every time the energy was there I just wanted to go drop pills on some viruses. Which is what I plan to do right now.

1Which is why, if you want my advice, it's "Move out."