Who Knew (to Sam)

Who knew todaythat yesterdaywould be our last?Who knew yesterdaythat today I wouldhold you no more,come home toyou no more.comfort youno more?Who knewand why didn'tthey tell me?I would have heldyou tighter, andstayed with you longer.I would havedone a thousandthings differently,and I wouldhave neverlet you go.