Redemancy Longing

What was it that left a brother slain, Not man nor sickness nor disease, But an emotion that led him astray, Following this feeling into eternity, At times he thinks he can understand it, But there is wisdom in knowing what cannot be controlled, Where though shall he be led, Shall he be left for dead, Or will he remain in his bed, It is said that this emotion is a game for fools who are wise enough to play, Or even a song for the damned who are blessed enough the hear it