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 falls somewhere between Sweet and Sour tastes with regard to its heavy and moist qualities. While Sweet taste stimulates the greatest water retention and weight gain in the body, Salty taste will have similar effects when used in excess by any of the doshas.