I think its "a" and "b", he doesn't know what he wants, but does miss you. He doesn't want to admit it, and probably felt cornered by the question. Our spouses don't want to admit things to themselves, much less to the people they care about. I have physically seen my H squirm when I used to ask him those type of questions.
While you know it was non DB, I think you ended it positively with what you said. Good job!
