My name is Justus, and I've had GAS (gear acquisition syndrome) since I picked up a Tac-One Longbow kit from the MCB BST last December. Since then I've bought and sold plenty.
My wife seems to be okay with it as long as I can justify each new purchase by describing how it differs from what I already have, and also keep track of by buying and selling to show that, for the most part, they offset.
But it's to the point now when I say "wow, look at this deal!" she just says, "No" without any more inquiry. I've had to pass up more than a couple deals lately (though I did just catch a nice condition Contour HD helmet cam today)