Rom 8: 9 “But you are not in the flesh but in the spirit, if indeed the spirit of God dwells in you. Now if anyone does not have the spirit of Christ, he is not his. And if Christ is in you, the body is dead, because of sin, but the spirit is life because of righteousness ……. Is the Holy spirit present or absent inside of you ? The presence of the Holy Spirit will validate whether you have experienced salvation or not, the Holy Spirit seals us with the promise , he is the guarantee of our inheritance and redemption as referenced in Ephesians 1: 13.