In horary, it's better to ask a straightforward question like your original one (which can be answered with a simple yes/no).
Logically, he might not be calling you, because he doesn't want to be the one to break the ice- blame it on his ego if you like (after all he is signified by Sat/Cap here
. But you too are waiting for him to contact you, so why can't he do the same 'sweety'.
Astrologically, I'd suggest considering synastry (comparison of both your charts) to tackle your second question- Why.... In the original horary chart, however, I find the placement of Uranus (very angular) in his third, and opposing Saturn, placed in your third house (communication/contact) to be rather portentous; though generally, you wouldn't pay heed to the outer planets in horary.
PS: Hey, and btw, English is your foreign language (but not your native tongue