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Step 1
Look for exaggerated behavior that changes over time from excessive energy to total lack of it.
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Step 2
Look for a constant deviation from ideas. The person may show over-confidence and courage one week, and pessimism, low confidence and negative thoughts the next.
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Step 3
See if the affected person shows impulsive actions in just about everything. He or she may want to drive fast, indulge in promiscuous sex, spend wildly or smoke a lot.
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Step 4
Notice any changes in eating and sleeping habits of the person concerned. Bipolar disorder can cause either overeating or a reduced appetite, insomnia or oversleeping.
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Step 5
Look for an inability to concentrate or make decisions.











