Life lessons

This close to thirty a man starts to wonder how much knowledge, experience has he gathered, those hard years pushing down his shoulders, have they left a mark? ... maybe something constructive, something he can pass to the next generation, a durable idea which stands still facing all the hardness of life.
Coping about this, it came to me, it slowly crystalized in me, in it's purest form, a powerful idea.
I think it is time to share it, to open the eyes of the masses, to shed light in the World filled with darkness and ignorance.
So it goes like this:

Girls are utterly unpredictable.