The way you think and your emotions is known, without a doubt, to cause problematic releases of serotonin, norepinephrine, etc. So it's possible that you developed anxiety first, and your chemical imbalances were the result.
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Set up your XBoX 360 WIreleSS Controller Before you can use your Xbox 360 Wireless Controller with your Xbox 360 console, you need to: 1 Insert a battery pack. The wireless controller uses only the AA battery pack (provided) with AA disposable batteries or the Xbox 360 Rechargeable Battery Pack (sold separately).