Eph 5:1-6 (NIV) Be imitators of God, therefore, as dearly loved children 2 and live a life of love, just as Christ loved us and gave himself up for us as a fragrant offering and sacrifice to God.
3 But among you there must not be even a hint of sexual immorality, or of any kind of impurity, or of greed, because these are improper for God's holy people. 4 Nor should there be obscenity, foolish talk or coarse joking, which are out of place, but rather thanksgiving. 5 For of this you can be sure: No immoral, impure or greedy person — such a man is an idolater — has any inheritance in the kingdom of Christ and of God.
NOTE: What does verse 5 mean? It says that any immoral, impure or greedy person has does not have any inheritance in the kingdom. It also defines immoral, impure or greedy person as an idolater. But since we are all immoral, impure, or greedy -- to some extent, even Paul called himself a wretched man, and the chief sinner -- how does it apply. Since it would apply to all believers in some sense or at some time, it must refer to a way of life. A life characterized by immorality, impurity, or greediness suggests a person who does not worship God but rather sex, lust, and money. His worship is for his idols and consequently, he cannot be a believer. So then, does our struggles with sex, lust, and money have some impact on our inheritance in the kingdom as believers? Quite possibly, since it is the given reason for why an unbeliever (or faker) would not have an inheritance. I'm still not confident with the tidiness of this explanation. This is something I need to investigate further. I don't want to create my own doctrine, but rightfully divide God's word.