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.
Medication: Many medications cause a salty taste in the mouth among their side effects and among these are chemotherapy drugs. If you suspect that your medications are causing you this taste then speak with your doctor. Nasal Drainage: An unpleasant thought though it is, sometimes a salty taste in your mouth is nothing more than mucus which can drain into your mouth through your nasal passages. This is particularly common following a cold or flu when your body will need to expel the fluids.