Because when he was dangling on that cross, he was thinking of you
Galatians 1:4; I John 2:2
The whole premise behind Jesus' willingness to die was so that he could take on your sins. While he was hanging on the cross about to die, he knew that he was saving you from a fate worse than death, which is hell.
To help improve the meaning of these lyrics, visit “Why I Hate Religion, But Love Jesus (Spoken Word)” by Jefferson Bethke and leave a comment on the lyrics box