After years of sitting in church, and hearing the Word of God preached, I know what it means to be in Christ from a head knowledge perspective, but I often have doubts and realize that from a spiritual perspective, I probably am not "in Christ". Yes, I know all the right words to say when someone asks about my salvation, but deep down inside, I know within my heart of hearts, that it is all lip service. I have "rededicated" my heart to Jesus on a number of occasions over the years, but in looking back, I am like the seed that fell upon stony ground (Matt 13:5, 20-21 ). I am now at a stage in my life where I know that the years I might have left are not as many as what I have lived, and I need to get my spiritual life in order, so that I can greet the Lord in the air ( 1 Thess 4:16-17 )when he returns. As for the implications, an eternity of death ( Rom 6:23 ) is what I face if I don't have the assurance of being "in Christ".