The symptoms you are describing sound like the symptoms of GERD or similar illnesses. Since these can be exacerbated by stress(anger), that may be your answer.
Symptoms of GERD:
But it doesn't have to be this, it could be related to what you are doing while angry:
Shouting, talking or excessive mouth ...
According to the summary of one study:
Of 2,581 COVID-19 patients studied, 95 percent of patients regained their sense of smell within six months, according to the study in the Journal of Internal Medicine.
The study appears to be this one (on patients from continental Europe) and it has more details even its abstract:
A total of 328 patients (24.1%) did ...