Depends upon situation.
If in sun-soaked tourist destination - ogle young unattached females in restaurent/disco/pool.
If in sun-soaked tourist destination, but no young unattached females - concentrate on getting a decent tan ready for next attempt at option 1.
If in miserable wet non-tourist destination -depends upon FA situation and I'm sure you can guess the rest.
If in miserable wet non-tourist destination with no decent FA prospects - presumably start on that distance learning degree course which you always promised yourself.
(course if you have a laptop there's always pprune)