Its a bit early and I personally believe its better to enjoy life. You can if you are really ready for it but I do not suggest it.
where people grind each other while dancing
tetoic plates grind the grind a slip past each other
they grind past each other
they grind past each other
Friction
It is called Abrasion.
So the vertebrae in your spine will not grind agaist each other.
Regional
Earthquakes
Tension cx
Regional
Transform boundary