Now let me answer you. There are chickens first, because without chickens, there are no eggs. Chickens have eggs. Chickens evolved from other species.
Similarly, emotion is just a state, it can't decide anything, but exists as a restrictive factor. But the body is fundamental. If you really have a terminal illness, what's the use of being in a good mood?
The emphasis of traditional Chinese medicine on nourishing the heart and strengthening the body is not to make us pretend to be desperate, but to tell us a truth.
That is: true health comes from happiness and peace, while happiness and peace come from temperance. Only in this way can we be healthy. It doesn't mean that the body is not important. Smile even if you have a terminal illness. Doesn't Chinese medicine also emphasize invigorating vitality?