Northerly and mountainous. North of the Yellow River, south of the Great Steppe. [He hasn't been able to get much more detailed information than that, but those geographic landmarks are enormous enough to locate a region between them, no matter how the political landscape of the region has changed.]

You'd probably have better luck among other newcomers like us. I have no relationship with my husband other than the fact that we woke up in the same house, so I'd be delighted to cheat on him if the opportunity arises.