Your analysis is very correct, every time I get sick or just have a common cold, I can’t feel the delicious taste of the food. I always feel so nauseous and don’t want to eat at all. then I could just sit and play Papa’s freezeria a game that I still play every day to forget the feeling of fatigue.

If you look at your tongue in the mirror, you can see it’s covered in little bumps.
And in those bumps are taste buds.
When you put something in your mouth, they send a message to your brain to give you information about whether the food is salty, sweet, sour, and bitter or umami (a meaty, savoury taste).
Your sense of smell helps you to taste the flavour of food too.
When you are chewing food, chemicals are released that travel up to your nose.
Your nose then tells your brain how food tastes and how it smells.
That’s why, when you have a cold, you can’t taste things as much.
Saliva also has a major role to play, without which you can’t taste your food.