Lyric discussion by Tudles1 

Cover art for Ben Has a Kid lyrics by Devil Wears Prada, The

I agree completely with chelsrouk. "Gasp for the truth you once lived" (I always thought he said "loved") is explaining that the Truth is what you should live off of, like you live from breathing air. Always keep focus and don't let anything get you down, because God is waiting beyond this world.