If your favorite mug or cup is showing signs of your coffee obsession, these simple tricks will make it look like new.

The best way of treating it is to brush the tongue gently twice a day ... together with cutting down on foods that stain, such as strong coffee and tea and red wine. And it's yet another reason ...

Purple or bluish: A purple tongue can indicate poor blood circulation or heart problems. Kidney disease or respiratory issues ...

but is that then a tiger or lion growling at our tongue-dropping goat? Oh dear. Well, it’s just a teaser, and I’ve absolutely no doubt that Coffee Stain will have a bigger reveal as we inch ...

Your view of coffee mug stains -- like that other famous glassware optimism metric -- is also a litmus test for your view on ...