What is this night has opened my eyes about?

"This Night Has Opened My Eyes" is a song by the English rock band The Smiths. It was released as a B-side to their single "William, It Was Really Nothing" in 1984. The lyrics of the song talk about a relationship that has ended and the feelings of betrayal and heartbreak that come with it.

The song has been praised for its haunting melody and melancholic lyrics, and is considered a standout track in The Smiths' discography. It is a fan favorite and has been covered by various artists over the years.

Overall, "This Night Has Opened My Eyes" is a poignant and emotional song that captures the pain of a failed relationship and the struggle to move on.