When we say “Yes” to Jesus, the Holy Spirit comes and makes His home within each Believer. This third part of the Trinity is the One who works to make us holy, and to conform us to the image of Christ. We must then work with the Holy Spirit to grow in holiness, (or in Sanctification as it’s called.) And this means not giving in to immoral urges, carnal pleasure seeking, or deceptive greed. But that’s very difficult to do living within our corrupt human body & nature. That’s why a few verses later, Paul explains & encourages us with, “Those who belong to Christ Jesus have crucified the sinful nature with its passions and desires.” (Galatians 5:24) In other words, the cross of Christ broke the grip of our sinful flesh. And like Christ, we have now been raised to new life…for we are now a new creation; the old has gone, the new has come.” (II Corinthians 5:17) Thus, we can walk in the power, and with the help of the Holy Spirit. (Colossians 3:1-5)