Murphy's Law
I have one to add that Mr. Murphy forgot about.
14. When you have washed all of your bedding it is an open invitation for your dog to hurl on your clean bedding while you are at work. It is also assured that said hurl will soak through every layer of bedding and into your relatively new mattress.
I don't know if you have kids or not, Mel. But vomit always occurs when it's least convenient and most likely to create a horrible mess.
Here's a common scenario in my house: 3 in the morning, night after a party, orange cheet-ohs and blue cake icing, 3 year old who can't make it to the bathroom in time.