You might want to consider taking the carriage ride out of Ft. Wilderness. It's a nice way to see the Christmas decorations on display by the campers.
During our honeymoon at WDW in 2000, we were in our own little world. Our romance happened while we strolled, hand in hand, up Main Street while everyone else rushed to hit rides. We took a bottle of wine, rented a boat, and just enjoyed each other's company for a couple of hours. Simply put... it's your honeymoon... the romance is within you. Congratulations!!