The reflex action is automatic and allows both a conscious and an unconscious person to survive longer without oxygen under water than in a comparable situation on dry land.
With repeated practice by jumping from a shoulder height platform onto the ground or into a sawdust pit, parachutists can learn to make smooth falls automatically, with a reflex action.
In other words, life is without meaning; everything is motivated by some inborn reflex action and nobody is responsible for their choices or even their own destiny.