It's the underlying, intrinsic, emotional connection, rather than the extrinsic muscle movements. On intrinsic goods: http://philosophy.lander.edu/ethics/intri

It's the underlying, intrinsic, emotional connection, rather than the extrinsic muscle movements. On intrinsic goods: http://philosophy.lander.edu/ethics/intrinsic.html http://philosophy.lander.edu/ethics/intrinsic.html P.S. As a side irrelevant note, I think in the future, for the protection of humanity, any strong AI must be built with a desire for intrinsic goods.