The lyrics mean not to have expectations from others.

According to QQ Music query, the 23rd sentence of Anheqiao is "I will never have high expectations for anyone again." This lyric means no longer having high expectations for other people in relationships, life, or other aspects.

This sentence expresses a kind of disappointment, helplessness or peace after growth. But it does not mean that you no longer believe in love, friendship or family affection, but that you have learned to look at interpersonal relationships rationally and cherish your existing relationships more.