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yeah... big time. i just want to be alone a lot. i go through mood swings, sickkkk mood swings. i'm pretty sure something is wrong with me big time. sometimes i'm absolutely on top of the world for a few days and then it goes the exact opposite for a few.
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That would be a sign of bipolar disorder:
http://en.wikipedia.org/wiki/Bipolar_disorder
It's actually a pretty dangerous disease if so and I wouldn't hesitate to talk to a doctor. Extremely high suicide rate, major relationship issues, etc.