Aside from what it teaches you, there is simply the indescribable degree of peace that can be achieved on a sailing vessel at sea. I guess a combination of hard work and the seemingly infinite expanse of the sea - the profound solitude - that does it for me.
We climb to heaven most often on the ruins of our cherished plans, finding our failures were successes.
A day spent praising the earth and lamenting man's pollutionist history makes you feel like a superior, sensitive soul.