Welcome to the planet, little man...
Oh you poor naive fool. You really think you're out in 18 years? It is to laugh!
After 18 years we can legally change the locks.
And after 7 years, we can put him to work in the coal mines. It's backbreaking work, but it's good for the reflexes. CAVE IN!!!!! RUN!!!
I don't think it's too backbreaking for 7-year-olds. They're short enough that they don't have to stoop.