A person walking, a thrown baseball, a crumb falling from a table
When a body is to be destroyed after an autopsy
I believe muscle development, stunted growth, and mood swings but not 100%
Maybe when an organism has both an endocrine and a nervous system it is able to not only make rapid changes to be more well-adjusted in its enviroment but is also able to make changes required for survival in long-term.
Be yourself, at some point someone will along and love you with all their heart! But be careful, if you know they don’t love you leave them. Why? Because why would you want somebody who doesn’t love you in your life?