When I was 7, I started to get freaked out by the thought of a tooth-collecting old lady stealing my baby teeth, so when I lost a tooth one day, that night I rigged my door with ice water. I awoke at 3 AM by the sound of my dad cursing. I realized then that they had lied about Santa and the Tooth Fairy, but I wasn't sad, as my month-long grounding for the water thing made me sad about the fact that I couldn't hang out with friends, watch TV, or play video games. So yeah, I learned by force there.