a COUPLE of years back suddenly some fatty foods like fried foods or with certain oils, butter started to taste different to me. I had not been ill either. The taste was just different not really unpleasant but less pleasurable to eat because it was not the same.
Over time I got used it I guess, I cant pinpoint a day that like, hey my old sense of taste is back.
getting older I guess
BUT I did get a serious cold or sinus years and years ago and I know EXACTLY what you mean by the Coffee STANK. And others foods were really FUNKY to my nose. For just a while though until that illness wore off.
I had a kind of flu years ago and lost my sense of taste and smell for several months. Not even espresso tasted right.
I wonder how common losing taste is.