Each emotion probably does have a specific bodily signature; the studies that found none measured far too little of the body to have seen it.

What you would want to do is have a detailed highdimensional readout of okay your your gallbladder and your liver and your kidney and your heart and changes all over your body and look at that and ask is there is there some kind of association between specific emotion states and changes some kind of complex change in your body and I would bet that there is but we just don't have those data yet