Everyone is entitled to their weird collecting habit, within reason. Some people collect stamps. Some collect Beanie Babies. Some folks collect Garfield memorabilia. Some collect fingernail clippings. Whatever your strange collection is, you're allowed to indulge, as long as (and this is the kicker) it doesn't interfere with anyone's happiness. If you're cohabitating with someone, you have to make sure your stuff is confined to your space. Nobody wants to live with someone whose apartment is li…