When you’re saved, God gives you a new heart for Him. He lives in you and gives you the strength you need to do everything and anything. He calls you to do, including His call to sexual purity.
At a single moment, salvation gave us a new life and a new desire to be sexually pure for the first time. But this new desire alone will not bring full intimacy with Christ. We must say yes to this new desire and refuse to ignore it. We must choose oneness and intimacy with Christ. We must choose sexual purity.
It’s not enough to seem or to feel Christian. We must be Christians, in action.
It is God’s will that you should be sanctified: that you should avoid sexual immorality. (I THESSALONIANS 4:3)