Being balls of energy with powerful emotions in play, you humans shoot off a lot of sparks. Often this happens during times of great excitement. With that adrenaline rush, you've activated your symbolic representation for a burst of creative energy.
While experiencing your human incarnations, you’ve chosen to agree with the construct of linear time. This is built into Earth’s game board, so to speak. But it is by no means a requirement for playing on the board.
The five senses that you use on a regular basis is only a small number of the available sensory options for which your body is equipped. So here comes a new, fun sensation! A red-hot flushed face.