Why did Adele create the song hello?

Adele created "Hello" as a reflection on past relationships and personal growth. The song serves as an emotional reunion with someone from her past, expressing feelings of regret, nostalgia, and the desire for closure. It captures the complexities of love and loss, resonating with listeners who have experienced similar sentiments. Ultimately, "Hello" showcases Adele's powerful vocals and songwriting ability, marking a poignant return to the music scene.