You and Luke had broken up due to the fact that you couldn't deal with him constantly being away anymore. They started playing Beside You and he found himself tearing up. Calum came up to him and patted his back, assuring him it will he ok. When Calum's solo ended and it was time for Luke to sing, he told his voice to be strong and stepped up to the microphone. His voice cracked at the end of the chorus. He looked at Calum who gave him a sympathetic look and Calum began singing his solo.