Here's what's changed on the new labels: 1  The barcode length increased to 34 characters.  Your FedEx Ground shipper number is located in positions 10â19 of the barcode (separate from the tracking number).
It will take time to build yourself back to the level of fitness you were at before your break, so don't expect too much too soon. Your body is adaptive and will usually return to normal after six weeks of modified exercise. Resist the urge to push yourself in the beginning.
How to Make Exercise a Habit. There's an urban legend that it takes 21 days for something to become a habit, but there's little evidence to back up this claim. For exercise, it's probably more like six weeks, says Rebecca Woll, manager of personal training at Equinox in New York City.