It's not allowing the Holy Spirit to do his job which is to convict of sin and change the other person.
Once again, Paul coudn't be more clear. His teaching comes directly from Christ, and perhaps you just don't understand, like Peter who said what Paul was teaching was hard to understand because it was a gospel of uncircumcision.
Romans 5
6 For when we were still without strength, in due time Christ died for the ungodly.
8 But God demonstrates His own love toward us, in that while we were still sinners, Christ died for us.
9 Much more then, having now been justified by His blood, we shall be saved from wrath through Him.
10 For if when we were enemies we were reconciled to God through the death of His Son, much more, having been reconciled, we shall be saved by His life.
Salvation has zilch to do with your performance.
Romans 6
3 Or do you not know that as many of us as were baptized into Christ Jesus were baptized into His death?
4 Therefore we were buried with Him through baptism into death,
6 knowing this, that our old man was crucified with Him, that the body of sin might be done away with, that we should no longer be slaves of sin.
7 For he who has died has been freed from sin.
8 Now if we died with Christ, we believe that we shall also live with Him,
9 knowing that Christ, having been raised from the dead, dies no more. Death no longer has dominion over Him.
10 For the death that He died, He died to sin once for all; but the life that He lives, He lives to God.
11 Likewise you also, reckon yourselves to be dead indeed to sin, but alive to God in Christ Jesus our Lord.
There is no "maintenance" of salvation either. You are alredy crucified and risen with Christ. You are dead to sin, and alive to Christ. If you reject the gospel as is, you are doomed. I believe you reject it.