A way of responding to disrespectful behaviours is to take a deep breath and walk away. By doing this, YOU stay in self-control. It helps you practice self-control because it stops you from fighting, and keeps you in control, it can also develop good habits for bad situations.
Yes, there is a variety of things you can do to wear down the enamel. A few of the biggest things are: Drinking Coffee or soda, eating acidic foods and not brushing your teeth. Sadly you are not able to grow back your enamel after if it fully gone so it's best to protect your enamel as much as possible.
diagnosing disease is not a means of promoting public health