Physical therapy is the biggest area of speciality for physicians.
The answer is develop skills
A. Boundary violation
Good relationships should be full of the other three things!
The link between the two is that they both can cause headaches and sores from the body. Since anxiety affects the body mentally it can also affect it physically too.
When I was racing my friend for our snacks the behavior changed we where more motivated to get the snacks we where both in heavy competion