What's the guitar done to have it taken out on it?
A lady is in an unhappy mood and the guitar is first thing in the firing line, makes perfect sense to me.
I once gave a young lad some useful advice when he'd not been married long, he was supposed to do the washing up, but couldn't be bothered, so I told him, "do it, and then make it look like you've tidied up the kitchen a bit as well."
"If she sees that she'll be happy, which means you'll be happy. If you don't do it she won't be happy, and she'll make sure you're not happy as well."
So there's today's top tip for matrimonial happiness, more nuggets to follow soon.