I heard you swear your love this morning And it caught me almost wanting to believe The three little words that serve as warning And say it's just a promise you can't keep A statement that's been so used I felt compelled to tell you But knew there wasn't much to say I could have threatened leavin' or listed hopeless reasons If I didn't have this need to stay Three little words should be my warning Cause I know that's just a promise you can't keep [ steel - fiddle ] A statement that's been so used... I heard you swear your love this morning