We ought to spiritually comprehend that repentance is not a meritorious work. The sinful nature wants to merit heaven because it wants to contribute something to the alone redemptive work of Jesus. Sinners in different religions seek to earn heaven in some way. Rather the Bible is God-centered.
It is like the Jewish people who wanted to add circumcision to the Cross. Adding something to the Cross is spiritually destructive. Sinners cannot add anything to the redemptive suffering of the Cross. The Cross sufficiently deals with all our actual transgressions. We ought to completely break from our sinful nature and rejoice at the work of Jesus at His Cross.
Do not manage your sin but repent of it. If you delay repentance it will be sorely difficult. I suggest to you that you do not hinder your repentance through delay. The Bible teaches that delayed obedience is disobedience. Do not put off repentance for any time, because it is life-long.
No one who repents through a false purification will ever gain heaven. Sinners ought to never repent through words or practice by redemptive suffering in purgatory. Rather sinners should repent through Christ crucified alone. Jesus commanded people to repent of their sins. The only sinners who repent are sinners that have their hearts opened by the power of the Spirit of God and the power of the Word of God.