“Drop your booty down!” Gosh, how I’ve missed hearing those four words. Even my miserable failure to drop like the Times Square ball couldn’t stop me from grinning ear to ear. On Monday, Rebecca and I began our New Year’s resolution early: move more, feel better. As in, shake your booty and anything else that’s required in a Jazzercise workout. We’re baaaack. Throughout most of 2020, we continued attending Jazzercise classes online, even during the height of the COVID-19 pandemic. At first, we worked out at home, three or four days a week, as in 2019, when we were at our proverbial peak. It felt good to keep up with…