Pledgehammer - Simply keep a promise.

… exercise daily during brake time by Feb. 1, 2009, or I will donate 10.00 USD to charity.
→ Juliet on Jan. 1, 2009

… write a paragraph for scholarships essays every day by Feb. 28, 2009, or I will donate 10.00 USD to charity.
→ Juliet on Jan. 1, 2009

… wear a dress or a skirt at least once in two weeks by June 30, 2009, or I will donate 10.00 USD to charity.
→ Juliet on Jan. 1, 2009

… stick to S's diet plan by June 30, 2009, or I will donate 50.00 USD to charity.
→ Juliet on Jan. 15, 2009