The time-boxing imposed by a bounded stay seems, indeed, to create some anxiety about generating results and making the best of one's time — which are good traits!, but might happen at the expense of a more natural, pull, laissez-faire, curiosity-driven navigation — which happen to be important factors in the overall equation called "do one's best".

One cannot do one's best while worrying too much whether one is doing eir best. Like yoga or meditation, one has to be oblivious of past and future during practice to let the self get out of the way and embrace a flow state.

Reminds me of the somewhat-related paradox of hedonism: http://en.wikipedia.org/wiki/Paradox_of_hedonism.

Still, easier said than done.
AB