爱情是从告白开始的承诺是从恋爱开始的
[ài qíng shì cóng gào bái kāi shĭ de chéng nuò shì cóng liàn ài kāi shĭ de]
This username conveys that love begins with a confession, and commitment starts with romance. It reflects the idea that a romantic relationship evolves through different stages, starting with declaring feelings for each other to committing in love.