Plus we have ten steps that take place that essentially make this process an irreversible process. And we form two Pyruvate molecules, two ATP molecules, two NADH molecules, two H plus and two water molecules. Now, we know that glycolysis takes place in ten steps and actually seven of these steps are not very exergonic. In fact, in some cases the individual steps actually require an input of energy. And seven of these steps are actually at equilibrium or very close to being at equilibrium. And what that means is when a reaction e is at equilibrium, the gift free energy is equal to zero or very close to zero.