Dr. Bach said that there are two faults that our personalities could commit. The first is to take a false path by not living the life tat we are here to live. The second is to harm the whole by hurting the life of another. Both are states os imbalance. 

When we are living in peace with ourselves and living in peace with others we are in balance. When we are not ourselves, or when we have given in to our weakness, or when we are in war with others, we are out of balance. 

When out of balance we are more likely yo fall sick. 

Dr Bach explained that ill health is the term of our higher nature to help us come back to allignment to our personality. When we are alligned to out personality the health and ability to perfom at full potential returns