Words of Wisdom?

This weekend, the Emperor will participate in our parish's Rite-13 Ceremony of Manhood/Womanhood. This is the Episcopalian version of a bar mitzvah.

Part of what we do as a parish is offer the "celebrities" (I hate that term, but that is what the coordinators call them) bits of wisdom to help them on their journey to adulthood. So I thought I would pick your brains and ask:

If you could go back in time and give advice to your 13-year-old self, what would you say?