How will this year's workout resolution become a real, lasting habit?

In the first weeks of January, gyms fill up. A familiar sight: everyone is starting with something, there’s a line at the mirror zone, and it’s almost impossible to move at the free weights. Then, by mid-February, these places become sparse. People don’t drop out because they are lazy or weak. The real reason is almost always that the plan wasn’t realistic enough, the goals are vague […]