Severus had been practicing a little on the dance steps, just a little in front of the mirror when he was all alone. He never could have imagined that he would dance at a party in the past with people from places and times around them that were not their own.
He pulled Lily closer again, holding her in the proper dance-stance. He took a deep breath and started the steps that she had taught him, hoping he would not step on her toes in the process.