Romans 6:4 tells us that "We died and were buried with Christ by baptism. And just as Christ was raised from the dead by the glorious power of the Father, now we also may live new lives." A Christian can sin, he does sin, but he doesn't want to sin. Why? Because he loves God and doesn't want to be separated from him.
1) Don't confuse freedom with permission. Don't forfeit the grace God has given you.
2) Deny sin the attention it demands.
3) Focus on worship.