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.
This accounts for the five primary tastes â sweet, salty, sour, bitter and umami (also known as savory). Below is a list of chemicals that are trigger certain taste sensations. 1  Sour taste â hydrogen ions.2  Salty taste â ionized salts (anions and cations), especially sodium ions.his accounts for the five primary tastes â sweet, salty, sour, bitter and umami (also known as savory). Below is a list of chemicals that are trigger certain taste sensations. 1  Sour taste â hydrogen ions.