 Because we're human and we're wrapped in flesh. And when we fall down, we can go back to chapter 1. And what did John tell us in chapter 1? Remember verse 8? He said, if we, talking about believers, if we claim not to sin, we lie and the truth is not in us. So in other words, we will sin. Now that doesn't mean we just go out and do whatever just because we know we're going to sin. No, then if you think like that, you're probably not a believer.