If you're only 16, just don't rock the boat. Religious people buy into all sorts of things that are blatantly false, no need to feel guilty about lying to them esp. in a church which is no more "holy" than any other place. Since you've freed yourself from the doctrine, I hope you can free yourself from all that Catholic guilt they've drilled into you.
Heaven is where fantasy meets hedonism. I'm on my way to where cynicism meets hedonism. If you'd like to come with me, bring something because you're not tagging along for free.
