Danger to a person triggers a reaction where breath is shortened, shoulders tighten, and care for survival occurs. If someone's essential integrity is challenged, scare also emerges. Happiness is the natural state of the organism, a kind of free breathing joy in simple living. Kids on playgrounds make joyful sounds. That is the model of happiness.
Excitement occurs when a person is anticipating a good event.
A kind of throbbing joy emerges as a person looks forward and sees positive pictures, expects wonderful sounds, and anticipates body fulfillment in the form of hugs, kisses, a rush - like a roller coaster, or sex. Tenderness is best understood as what parents feel when they hold a baby. It is a loving feeling that is expressed in soft tones, caring touch, and gifts. Imagine children playing on a board that is tethered in the middle. One child goes up and the other goes down, etc.