Things will work out for college son. Once he gets started in his program, he'll likely be having too much fun with the guys to be homesick. For you, 8 hours is not so bad. He'd be a lot further away if he was off to basic training in the army, plus you don't have those extra stresses of where that could go. Maybe that's not consolation for what you're feeling right now, but he's obviously decided he's ready to start this new chapter of his life, you just need some adjustment time to do the same.
Looking forward to your reflections on primal year one in review .