What is i can t believe we re not in love anymore?

"I Can't Believe We're Not in Love Anymore" is a song written by American country music singers Alan Jackson and Don Sampson. The song was released as a single in 1998 by Jackson. The song is a mid-tempo ballad that explores the emotions of a couple who have lost the passion in their relationship. The song peaked at number three on the Billboard Hot Country Singles & Tracks chart. The song is known for its relatable story and honest lyrics that reflect the realities of long-term relationships. The song has become a fan favorite and is often included in Jackson's live performances.