Why am I still tempted if I'm supposed to be a new person in Christ?

Because "new creation" describes a real change already begun, not a finished process—and the New Testament is honest that the struggle continues, sometimes for a lifetime.

Paul, writing as an apostle, describes his own ongoing internal conflict in painfully relatable terms: "I do not do the good that I want to do, but I practice the evil that I do not want to do" (Romans 7:19). This isn't a description of someone whose faith failed—it's Paul, describing normal Christian experience honestly.

Galatians puts the tension directly: "the flesh desires what is against the Spirit, and the Spirit desires what is against the flesh; these are opposed to each other" (Galatians 5:17). Becoming a Christian starts a real internal battle—it doesn't instantly end one.

Temptation itself isn't failure. Giving in isn't the same as being tempted, and being tempted isn't evidence your faith isn't real. It's evidence you're human, in an ongoing process the Bible itself describes as gradual, not automatic.