17 years ago, he ceased to be a fetus.
An instance of human, he has existed since thus.
The boy that was then materialized,
a yearly timer, with him, was initialized.
It’s code: this.age++;

</uber geek limerick>
<!–Note to self: Write on blog more often. –>

No points for guessing that the boy is yours truly :P.

PS: The cake is a lie.