It seems to make some sense, anyway!Sure does, CK--thank you. When I get nervous, my hands always get cold--haven't noticed my feet. I wonder why the expression didn't come to be, "She got cold hands"?
About another part of this excerpt, I've known for years that if I'm feeling a little tense, making myself smile even if I don't feel like it causes a good bit of relaxation of the facial muscles, and that often does have the effect of making me feel like smiling!