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.
As you know, our taste buds (which we have 10,000 of, by the way) respond to four different types of flavorsâsweet, salty, sour, and bitterâbut some of us seem more inclined to reach for chocolate over chips than others. So whatâs behind that insatiable sweet or salty tooth? A lot of it is genetic.