It's possible they led you on, or maybe they are protecting their recovery.
In many circles it's suggested (it's not a rule, just a suggestion) that a person doesn't make ANY big decisions in the first year. This includes things like moving and quitting jobs and yes, entering in to new relationships.
A person in recovery has to focus on that recovery, it is (and should be) the most important thing in their lives. Mixing themselves up in a brand new relationship may not be a wise decision early on, since it takes away from their focus and new relationships can be a bit rocky.
I would say - give him space and lots of it. In fact perhaps ending the contact for now would be advisable? Do you think that is something that would work for you?