There are many Christians out there that repent of their sins and believe in Jesus, yet fail to live the abundant life that He died to give us. I have heard these people called "Wilderness Christians" because they fail to understand what Christ did for them on the cross and how to live an abundant life.
A good exercise to do would be to study Romans 6-8, Ephesians 2, and Galatians 5 and have two separate sheets of paper.
On one sheet label "Living in the flesh" and write down all the ways one can live in the flesh from those chapters ~
walked according to the course of this world
lived in the lusts of our flesh
children of wrath
adultery
fornication
hatred
etc.
On the other sheet label "Walking in the spirit" and find all the descriptions of life living in the spirit ~
freed from sin
dead to sin
servants of righteousness
free from the law of sin and death
love
joy
peace
quickened together with Christ
fellow citizens with the saints
etc.
I just have given you a small sampling of both, but there are many more. We have been rescued from the dominion of darkness and walk in the newness of life. We are new creatures in Christ. We are no longer called sinners but saints. The Bible makes sense once you understand these truths!
Every day, every moment we can choose to walk in the flesh {Romans 7} or walk in the Spirit. Our flesh was crucified with Christ {You are not in the flesh, but in the Spirit, if so be that the Spirit of God dwells in you. Romans 8:9}, but many choose to crawl back into that old, dead flesh and walk in it not realizing that it was crucified with Christ and we are able to walk in the Spirit, set free from the law of sin and death.
So choose this day, every moment to walk in the Spirit. It is life! It is freedom! It is God working mightily through you. It brings joy and happiness. It brings love and acceptance. It brings peace and harmony with others. Praise be to God from whom all blessings flow!
Be ye therefore followers of God, as dear children; And walk in love.
Ephesians 5:1,2
This I say then, Walk in the Spirit, and ye shall not fulfill the lust of the flesh...If we live in the Spirit, let us also walk in the Spirit.
Galatians 5:16,25
There is therefore now no condemnation to them which are in Christ Jesus, who walk not after the flesh, but after the Spirit.
Romans 8:1
Wouldn't you much prefer to walk here? ~