The secretiveness is the most worrying aspect of this IMO. And it does seem like something of an obsession. Maybe he finds it takes his mind off other worries or something, like he is using it to zone out. I mean most men are distracted by sexual images so he probably finds it helps him not to obsess about other problems that might be going on. Totally different in a way but my H has to have talk radio on the whole time -it doesn't matter what the show is it can be the most boring thing you ever listened to - but he just uses it to tune out his own thoughts.
JMHO
if we can be sufficient to ourselves, we need fear no entangling webs Erica Jong