While waiting for a reply to an email, checking not only the relevant inbox but also all your other inboxes at three-minute intervals, max.
That too. (Having said which, there are actually two possible approaches: 1) if you like everything, proceed as above or 2) if you like something more than something else, eat all of your least favourite thing first, followed by everything else in reversed order of preference, saving all your favourite stuff last.)
In other “news”, I’ve got a massive rant about Argos coming up but I’m too angry to put it into words. Meanwhile, just – don’t. Ever. Shop. At Argos.