It is the lyrics from "Hot and Hot".

According to QQ Music, "Hot" is a song sung by the modern brother Liu Yuning. Gold medal musician Qian Lei customized the melody for the end of the film. Jia Ling and lyricist Jin Cancan penned the lyrics carefully and will be released in 2024. It was included in the album of the same name "Hot and Hot" on February 10, 2019. It is a hot dream song from the movie "Hot and Hot". The song "Hot and Hot" uses the simplest language and singing method, without any modification, and narrates every touching moment.

Classic part of the song: "Life is only once, forget it, don't have to do it over again, I will modify it myself and make it how I want it to be."