hot and cold

The "structured" me would love to have plans set out but the "artist" in me would change it at the last minute and an inner battle would occur everyday.  How to mediate between these 2 parts of me is always an ordeal because not one is greater than the other.  I am still learning about the appropriate mix of heart and mind formula.  How then to combine the ideas coming from my rational mind and the gut feel from my irrational heart.