When there are little pieces of wore out fine grit sand paper near every place you set and the kitchen table has several knives in various stages, a Ames hardness tester, metal polish and paste wax taking up most of the space. If I ever get married again the new wife might want to battle for territory.
When you're bud sends you an email pic of a scantily clad model holding a sword......
And it's only after ten minutes of examining the blade/guard/handle/pommel, not to mention the photographer's way of setting up the shot (lighting, balance, background) that you realize there's a half-naked women in the picture!