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.
4. Oral infection. Part of how you taste food comes from your saliva. If saliva production is impaired from a blockage or infection in the salivary glands, you may find yourself with a dry, salty mouth. In a similar vein, a buildup of bacteria can cause a salty taste along with bad breath.