If you are swayed and the nausea rises to the throat, press the spot between the tendons of the inside of the wrist.
To keep retching, tightly squeeze the hand into a fist so that the thumb was inside it.
If while running you pricks in the side, you probably breathe out when you stand on the right leg, and this puts additional pressure on the liver. Breathe out when you stand on the left leg in order to avoid soreness.
Clamp arm in a fist and look through the hole like a telescope in order to increase the range of vision sense. This trick allows a narrow beam of light to reach the retina and increase the depth of field and focus.