Earlier quoted context omitted.
I mean, Tantra, or at least some takes on it, is training yourself to be receptive and open to your own emotions. To various extents in Taoist groups historically, presumably at least partially continuing. Being in touch with your own emotions is a pretty big aspect of a lot of martial arts, although I suppose not expressing them.
Ah, cool, I'll check more into Tantra! With regards to martial arts, maybe it just depends on the definition of expressing them. To put them into words, maybe not so much. I remember taking a Krav Maga class and I saw the head trainer go from calm to intensely focused and powerful in a flash, and then back to calm after the exercise. So, for me, he was expressing the emotions physically, just not so much with his wor…
It's not an emotional attack in the sense that attacks need to be intentional, but tools for recognizing the source of emotions and letting that tension release is a life skill that is not explicitly taught much. I definitely didn't learn it in karate, but I did learn it in meditation practices from other sources. Combining it all holistically would be interesting.