Yes, most of them because they can't control themselves. If you see them in this stage, talk to them and help them out.
Some of them do, but talking with your hands is not something that means you're bipolar. It just means you're expressive.
Get people to talk about themselves. If you have a knack for getting people to talk to you about themselves, you will quickly get a reputation as a "great conversationalist".
It's possible, especially because of the hyperactivity, impulsivity, and aggressive behavior. These can cause the bipolar person to harm themselves or the people and objects around them.
Be a good listener. People love to talk about themselves.
Just like you'd talk to anyone else.
I have bipolar if you want to talk to me. http://wiki.answers.com/Q/User:22Chika22
There is talk about Vincent D'Onofrio being bipolar, including it being mentioned in the National Enquirer. There is; however, nothing substantial to back up the talk.
She might just not be into you anymore. However, she could also be experiencing a period of depression. It's normal for Bipolar people to isolate themselves when they are depressed. Don't give up hope yet.
People with bipolar can have psychoses. They can have man of thoughts and feelings.
NAMI This is the National Alliance for the Mentally Ill. They are available to talk to online or on the phone. They will hook you up with real people who are close to your geographic area. There will most likely be a bipolar (That is Manic depressive-one and the same thing) support group within a few miles of you. There are many, many, many people with BiPolar. Do a google search with the words; Bipolar, help line, your city,state.
Typically, they gossip and discuss the flaws of all the unpopular people. At least that's what they talk about when they aren't talking about themselves.