I love you without reservation. What song is it?

I love you. According to the query song "P.S. I Love You", I love you without reservation is one of the lyrics. This song is written by Wu Yukang and composed by Liu Yongzhi. A-Lin once sang this song. Lyrics excerpt: "I love you without reservation, I love you to the end, some people are worth waiting for, and some sadness is worth enduring." The lyrics of this song repeatedly mentioned the importance of lovers and their unreserved love for her, emphasized the author's commitment and determination, and expressed the author's desire to be lovers and be together, as well as his deep affection and loyalty to lovers.