In a popular song, the words "I'll love you 'til I die," imply a love that is lasting but temporary.  The Apostle Paul defines love in 1 Corinthians 13:1-13.  In Romans 8:38-39, Paul is persuaded, by God, that nothing can separate us from His love.  

Paul sets out to find anything that can separate God's love from us and he found nothing.  He searches the universe, the realm of life and death, angelic or demonic, today or tomorrow, high or low, thinkable or unthinkably–absolutely nothing can get between us and God's love.  This great assurance comes to those who are "the called" in Christ Jesus our Lord.

"Blessed assurance, Jesus is mine! 

O what a foretaste of glory divine!

Heir of salvation, purchase of God,

Born of His Spirit, washed in His blood."

Paul is persuaded (convinced) that "nothing will be able to separate us from the love of God in Christ Jesus our Lord."