There will be a severe case of side effects
1. experts(even the pro-cosmetics) warn that the physical pain is quite severe. This includes back pain, bruises, and so on. This is so serious that you may have to wear head bandages after a surgery.
2. Also, years after you have surgery, you will have to face the later side effects: that is, the effects which will disfigure you. a very funny example of this is South Korea: you often see people who suffer because of those effects. You will know if you ever surf in the Korean Internet.