I have my earbuds on constantly, whether I'm listening to my iPod or not. Keeps everything to a dull roar, which I like, keeps people from asking me for quick favors, or questions, or from thinking I'm rude when I don't stop to say hi. Also keeps me aware of my surroundings, since I CAN actually hear stuff still, just not annoying tiny sounds.
Exact ones I use right now.
They're perfect, stick in the ear real good, but the wire is slightly annoying.
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Still grateful.
"...do you really think you're in control...?"
Diagnosis: uncertain.