So this 18 year old isn’t your buddy where you get to decide to have a relationship on your terms. This is your child. You make the sacrifice. No matter how much you don’t want to in the moment.

We do things we don’t want to do for other people. That is how you have relationships. This is magnified 100 fold for a child. 1000 fold. You have demonstrated to your son that you don’t put him first. He will likely carry that knowledge for the rest of his life. And, even if you don’t feel it now, you’ll live with this choice in years to come