Hey Razor, tough post to respond to, as a chronically single person, but I just wanted to offer support for whatever decision you come to that will be the most helpful in keeping you sober. I'm a firm believer in honesty between partners (easy to say when you don't have one!), and your thread title seems to indicate you're ready to have some dialogue with him about this.
So, not very good advice, but a lot of empathy and good wishes for you, and sincere congratulations on four days sober! Arp