Sometimes it's necessary to go a long distance out of the way in order to come back a short distance correctly.
But I think the real tension lies in the relationship between what you might call the pursuer and his quarry, whether it's the writer or the spy.
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.

