A woman wrote in a post on the U.K.-based forum Mumsnet that she is upset her friends didn't have any coffee in their home ...

A coffee lover is going crazy without caffeine during a stay with friends. In a post on the U.K.-based forum Mumsnet, a woman said she is upset with her pals for not having coffee in their home ...

A coffee lover is going crazy without caffeine during a stay with friends. In a post on the U.K.-based forum Mumsnet, a woman said she is upset with her pals for not having coffee in their home while ...

A cup of coffee (stock image).