I have to agree with Relena--unfortunately, I seem to insist on learning through experience. You're also right, Chr... I don't think I would have listened anyway.
And, I've become a horrible pessimist as I've grown older.
But I couldn't lie to myself, either. I'd have to say, "You know that thing you always feared most? It's going to happen, and it's going to turn out as badly as you were afraid it would be. And the good church people are going to tell you that God never fails you, but you sure won't be able to tell... And don't try telling them that, because they won't listen. They'll tell you it's because of your lack of faith, even though you believe twice as much as they probably do."
On second thought, I'm glad I can't say anything to my younger self.
A zipped lip is sometimes the most merciful option.
But, I would at least also want to say, "High school. It's only 4 years, trust me. And then you get on with the rest of your life."