To be absolutely brutal and honest with you, nobody cares about I look forward to hearing from you.. The practical reason is that it's one of the various standard and conventionally polite ways to end the body of the letter. It's just a standard exit.
1 In some cases, liver failure causes this taste to occur. 2  Gastroesophogal reflux disease can cause the salty taste (even when no pain is present). 3  Some medicines can make everything taste odd. for example the drug enalapril, which is a drug used to prevent heart failure.
Salty Taste in Mouth: Causes, Solutions. A salty taste in your mouth has a very interesting and likely cause. Many people are bothered by a salty taste in their mouth, in the absence of having eaten any spicy foods, and this strange sensation may be persistent, on and off, or more of an occasional issue. Nevertheless, a mysterious salty taste in the mouth is very annoying, and many people are affected by it.