Does your sense of taste fluctuate? Sometimes strong. Sometimes weak.
Yes it does.
Most of "taste' is smell. The five taste buds enhance the aromatic which is really what the distict flavours are. Then there is the tactile and heat sensors.
illness affects my taste perception, also mental state. Pinning down exactly when my taste is least sensitive and why is difficult. But I know if I have physically exerted and not eaten it can be enhanced. But also deminished when feeling off mentally.
I think senses compete or at least our perception of them. I think many of us have ossuary processing issues. I think it is about how the brain juggles these inputs.
I notice it most when it comes to how sweet a mug of coffee is.
Maybe your sense of bitter is heightened. Bitter and sweet certainly compete with bitter and sour. Sugar doesn't make things less bitter or sour it competes with out ability to taste the bitter or sour
I don't really pay attention to it too much so I can't say.