This is an example of ODD or Oppositional Defiance Disorder.
This is a diagnosis where a child just blatantly disobeys and has issues with being told what to do by anyone; especially authority figures.
Answer:
I believe health is wealth because is you don't have good health and your living bad then you won't be able to have actual wealth(meaning money). You'll be living and doctors bills and all of that type of stuff. So when your healthy stay healthy don't do anything that can harm your body.
Another word used for straight-edge spatula is fish slice