Until she sees them piling up in the corners... or sticking out of your ears... I have personal experience with this. I don't even try to hide mine from him.
Gurlfriend (No disrespect Panda, she's a real keeper)
My wife would not know if any of my portable was new if she could not tell the RP8 recently replaced my old RP1 while trapesing through my Cave
Besides she has seen me in so many different iem's she gave up that challenge like 5 years ago
Now let me walk in with a new pair of Solomon's on and (Ding Ding DIng) red lights and whistles start going off all over the place