After watching so many of your performances, NO DOUBT at all you sang all the songs yourself. What seemed difficult to most people, including professional, full time singers, are too easy for you, Xiao Xiao.
My fipino friend was in love with a childhood friend who left for US to further his studies. Unfortunately my friend jilted her lover n married a guy who later became unfaithful n I responsible. She worked as a maid to support her two children n family n had a very tough life. About 13 years later her ex lover came back n wanted to marry her. But she couldn't go back to him as she had her children to take care of n forgave her husband. So really with new commitment she just can't go back to the past.