this isn't a super big deal but it kind of rubs me the wrong way when guests affix some unnecessary self-deprecating insults like "I've got a stupid old woman question" or "Sorry to be a dumb bitch but..." to their questions. Firstly because not knowing something isn't the end of the world, and also gives me an uncomfortable vibe that they expect me to agree secretly that yes, they are dumb bitches for asking. No. Just about the only thing you can do wrong in my book is be a hateful rude cunt for no reason...otherwise, if you're polite you can ask WHATEVER and I'll do my best to help you out because it's my job. Sheesh calm down.
A nice old lady did this earlier today...her "dumb old woman" question was "When a flashlight says 'lumens', does a bigger number mean it's brighter?" The answer is of course yes, and as far as dumb questions go that one doesn't make the top 100 or even 500 dumb questions of all time that I've heard, so chill!