Are you a Christian?

What makes you a Christian? If I went and asked your closest friend if you're a Christian what would they say? How do you know you're a Christian? "I don't smoke, drink, or chew (or go with girls who do) I don't cuss any more, I don't speed through traffic, and I go to church every Sunday even when the game's on, and I always wear the right clothes (shorts, flips flops, and a t-shirt)..." People try to explain too much into how they know they're a Christian when the answer should be simple "The old me is dead, and Christ has filled that place." I'm not myself anymore because Christ is living INSIDE me. I haven't changed, you know, people might say "Oh you're on the straight and narrow now." Or "You've really buckled down." "Put your nose to the grind stone." When none of that is necessarily true. Our urges and desires don't just disappear because we go to church now and rush to the alter after a moving sermon, we just let God be in control. If it doesn't scream his name we just don't do it, our actions, our words, our desires aren't just ours anymore, they come from Him. So think about it. Why are our a Christian? Because you have a list of Do's and Don't's? Or because you've accepted Christ and He is living in you now?