Lyric discussion by orbitn 

Cover art for Dam Would Break lyrics by Toad the Wet Sprocket

I do see some religious interpretation - but Glenn has stated he's more partial to eastern religions, as I am - but for me, it's about an unrequited love that's been held onto for a long time, tucked away until you have to turn away from the person entirely ("what is this ice that gathers round my heart, to stop the flood of warmth before it even starts").