My son started University this autumn. It's a big deal for him and for me, too. He's been like my best mate these past couple of years in many ways. After we got him moved into Halls, and before we set off for home, leaving him behind, he asked me for any last-minute words of advice.
My answer: "No question has a simple answer, and anyone who tells you otherwise is lying to you. Don't trust them."
What would your pithy, one-sentence piece of life advice, father to son, have been?