The last few days of the year are a great time for everyone to reflect—especially Teresa Giudice, who's heading to prison in a week for bankruptcy, mail, and wire fraud. After all her literal and figurative trials this year, Teresa is committed to improving herself in 2015. Her first step? She'll "stop eating bad carbs."

As the final Olympics medal count shows, America dominates at pretty much everything.

In order to better address the needs of our fitness-obsessed readers, we are introducing this semi-regular column, "I of the Tiger," to take on the vital hardcore fitness issues of our time. Today: without a goal, you are nothing. Dig it.

Kathy Vitzthum took her first class at Iowa State University in 1992. Just one class. She continued taking one class per semester, every semester, for the next 19 years, while working and raising a family. Next week—at the age of 48—she will finally graduate with a degree in accounting, fulfilling a promise that she made to her dying father more than a decade ago.