Dust.

I'm seriously horrified at how fast dust can accumulate in my room. Was just vacuuming my room in preparation for a momentous event¹ when I discovered to my utmost disgust that after a mere few weeks after my last major vacuum, my room seemed to have accumulated enough dust to cover the surface area of Liberia! Seriously. There was like dust covering the edges of my cabinets, the little thingy sticking out housing the electrical sockets, on my printer, on my speakers, on my books (oops), on my CDs, even on the remote areas² of my keyboard! No wonder I've been sneezing like that for the past few months!!!

Phew now I feel so much more relaxed - oh wait! I see yet more dust on my chest of drawers! Grr.

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¹Exams, lah. Always brings out the obsessive-compulsive side of me.
²Like that little blue 'access IBM' button. Or the power button situated so far away from the rest of the keys.