You get upset, you assume subconscious defensive posture, and it does
Tingling in your tongue
is the same thing as the shock feeling, your tongue
is just all wonky feeling by itself so normal stimuli become strange. Ever had a cavity or mouth sore and noticed it felt gigantic to your tongue? Tons of nerves in that thing.
Now I want to be clear, I am not saying this is in your head. it isnt. But anxiety causes very specific reactions. Basically, it pumps adrenaline into you.