Literature Reference: 慆慆不归，我心思忧。—— 《诗经·小雅·采薇》 Endlessly wandering without return, my heart is filled with sorrow. Source from 'The Book of Songs: Xiao Ya: Cai Wei'.
慆: "Joy: 'The nobleman draws near to the qin and se for the sake of ritual and propriety, not to indulge his heart.'"
Meaning: Endlessly wandering, it conveys a deep sense of longing and melancholy.