He that abideth in the doctrine of Christ, he hath both the Father and the Son.
You either HAVE Christ in your heart and life OR you do not.. There is no middle ground. Your actions and your words will show whether you do or not.. These are obvious indicators of whether one is really a Christian and going to spend eternity with Jesus or not. And there are PLENTY of FAKE Christians who are Christian in name only, not in their hearts or relationship with Christ. Their words and actions give them away......