You can find other similarities that will help you become more determined and in other areas of life, if you work on them. The secret is to look at it from the other side (that facilitates the work). I call this method "side doors". In other words, instead of developing the will power just in general, start with some of its side, it is better less difficult. You will find that success in the development of the less difficult hand to help you become successful and otherwise. This habit will set the tempo you like perfection of the individual and, consequently, strengthen your will.