"I Just Can't Help Believing" is a song written by Barry Mann and Cynthia Weil. The song was most successful after it was recorded by B.J. Thomas and. Check out I Just Can't Help Believing by B.J. Thomas on Amazon Music. Stream ad-free or purchase CD's and MP3s now on When she smiles up soft and gentle, With a trace of misty morning, And a promise of tomorrow in her eyes And my heart beats with the rhythm of her sigh. I Just Can't Help Believing Lyrics: I just can't help believing / When she smiles up soft and gentle / With a trace of misty morning / And a promise of. View credits, reviews, tracks and shop for the Vinyl release of "I Just Can't Help Believing" on Discogs. Written by the husband and wife songwriting team of Barry Mann and Cynthia Weil, this laid-back song was a #1 Adult Contemporary hit for Thomas. B.J. Thomas - I Just Cant Help Believing - Re-Recorded Version I just can't help believing When she smiles up soft and gentle With a trace of a. B. J. Thomas (Billy Joe Thomas) I Just Can't Help Believing lyrics: I just can't help believing / When she smiles up soft and gentle / With. I just can't help believing. When she smiles all soft and gentle. With a trace of misty morning. And the promise of tomorrow in her eyes. I Just Can't Help Believing by B.J. Thomas was written by Cynthia Weil and Barry Mann and was first released by Barry Mann in B.J. Thomas released it.