"Can a bipolar person go from being happy one minute," a reader asked, "to irritable the next, and angry 20 minutes later?"
The short answer is yes - such changes can happen just that fast. But think about it - a person who doesn't have a mental disorder can change that fast, too.
Here's a hypothetical example: Lauren is at a party, having a good time. Then she overhears someone say something nasty about the hostess, who is Lauren's best friend. Instantly irritated, Lauren is short with...
