Havdalah is the ceremony which marks the conclusion of the Jewish Sabbath. You can find more information at http://www.answers.com/topic/havdalah
No - Havdalah is the service at the end of Shabbat.
Separation. It usually refers to the blessings marking the end of the Sabbath or Jewish festivals.
The cast of Havdalah - 2010 includes: Pesach Stadlin Yoni Stadlin
Generally the havdalah spice is clove or myrtle, but any sweet smelling spice can be used.
Havdalah - 2008 was released on: USA: 5 December 2008 (SantaFe Short Film Festival)
Havdalah is the ceremony which marks the end of the Sabbath or a holiday. The ceremony always includes a prayer and the drinking of a cup of wine. At the end of the Sabbath, a blessing is also said on smelling spices or a fragrant plant, and on a candle. You can have a havdalah B'nai Mitzvah service.
They celebrate Havdalah.
After Shabbat, there is the Havdalah service.
If you eat a meal after havdalah which includes bread, you say hamotsi. Kiddush is not said on Saturday night unless a Yom Tov begins on that night.The traditional meal eaten after Havdalah includes bread (where possible), and is called the Melaveh Malkah, in honor of the departing Sabbath.
With the words " ... who separates the holy from the weekly."
The Sabbath is ended with the Havdalah service.
Depends what you mean by 'normal'. The proper observance of Shabbat and holidays is completely normal, although it does involve the cessation of some activities and the initiation of others. If he feels like it, the individual is free to resume his habitual legal, moral and ethical "week-day-like" activities after Havdalah.