Remnants of holiday season-indulgences may have crept onto your waistline and stuck around long after the party was over. If you’re looking to have the numbers on the scale decrease before temperatures increase, local experts say the key is making gradual changes. “You have to discipline yourself to make those small changes,” said Zandrea Stephens, assistant division manager at Frances Meadows Aquatic Center in Gainesville, a fitness facility with two indoor pools, a seasonal outdoor water park and water and land exercise classes.