Sin is a much misunderstood concept. Often because we Christians explain it badly. We talk about sin as if it's simply the pursuit of bad things. But it's not. It's more often the pursuit of good things as if they're ultimate things, and in the process missing out on what is truly best in life. It's about falling short of what life has to offer because you're setting your sights too low.
Don't believe me? Let's look at the word. The word we most frequently translate as sin is the Hebrew word chatá and its Greek equivalent hamartia, both meaning missing the mark. The term originated in archery and was often associated with Greek tragedy.
So, here's the tragedy that the scriptures seek to enlighten us with: God wants so much more for you!