I literally have old toys and books lying around inside my closet at home which literally date back to when I was probably 8(I'm 21 now). I have boxes upon boxes of shit stacked up, full of various trinkets and gizmos and shit.
Hell, I have like 10 different kerchief ties from my Boy Scout days, and at least 4 different kerchiefs. For some reason, I even feel compelled to hold on to all of my junk from those days, including the broken plastic merit-badge holder from my cub scout days as well. These things don't even have sentimental value to me.
Old drawings from my middle school days when I was all "wooo animu! :3" and tried futilely to make my own manga. Looking back, that stuff is so ridiculously shameful that I would feel compelled to burn it if it weren't for the fact that I just can't bring myself to throw this stuff away. Oh, that reminds me, I have drawers full of old notebooks from third grade. Don't ask me why I still have it lying around.
Or, how about the tons of copper wire and electronic shit.
I've been taking broken appliances apart since I could hold a screwdriver. No joke. Invariably, this results in a vast array of circuit boards which take up way too much space. So, in an effort to try and consolidate space, I would just rip the parts off of the circuit board and put them in a huge plastic pickle jar. Of course I know now that I what I have in my possession is nothing but a smelly old pickle jar full of utterly useless parts. Still, I don't get rid of it.
Just a year ago, my dad had to buy another lawnmower because the frame for the one he had at the time was basically irreparable. What do I do? Take off the motor, and set it up in the basement to also gather dust, should I ever decide to embark upon a project where I might need an old 2Hp lawnmower engine. (You never know!)
Old TVs you say? I'll rip it apart, take the electronics into my room (really, closet) and leave the tube itself to sit in the basement gathering dust.
Old, broken tools? I'll rip it apart, try to get it working, and if that fails harvest the copper wire, leaving the remaining parts to lie in a box or on a tool-bench.
You get the idea.
Now that I think about it, I can't imagine how my mom maintains her sanity looking at all of the junk I just leave lying around.
I have at least three desks, and amongst them, three of them are completely unusable for anything but carefully balancing more stuff on. Since I'm away to school now, I'm working on cluttering a fourth desk. :3
Speaking of which, when I move off to school, I pretty much fill up a minivan every time I move. And thats only the stuff which I gather together which I think I MIGHT need or want at school.
Anyways, I don't see any end in sight for this habit.