You may have heard the saying about rubbing salt in a wound. This would be equivalent to “sticking the knife in and twisting it.” To rub salt in a wound is to make it worse, more painful, more negative… at least, as far as proverbial sayings go. In reality, maybe salt isn't so bad. Perhaps it even contains some healing properties.

You may have heard the saying about rubbing salt in a wound. This would be equivalent to “sticking the knife in and twisting it.” To rub salt in a wound is to make it worse, more painful, more negative… at least, as far as proverbial sayings go. In reality, maybe salt isn't so bad. Perhaps it even contains some healing properties.