But after a while standing there you realise they are not asking for anything at all.
But when you study the problem, you realise it's immensely hard to do this.
So when it finishes, it's a shock and you realise that you should have prepared better.
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After a few hundred miles and a quick poke around, you realise that the wonderful seats are disturbingly familiar.
It's even more of an achievement when you realise that the Australian Open is played on hard courts.
You realise are you standing on a metal grid and you can look through to the ground below.
We're a strong unit, we're like a big family really and you realise that no-one means to drop catches.
And exposed as you are, you realise that everybody loves this car.
On reflection, you realise that, much of the time, Mr Browner has not really been talking about hospitality at all.
Do you realise that since nineteen eight-five, I believe it is, we have lost in this city nearly ten thousand people.
As a player, when you realise that things aren't going your way you have to do a job for your team-mates.
"At first I thought it would be easy, a 25-minute set, but then you realise you can only do six songs, " she said.
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"Months after it happened, you realise you met a person some time ago, you can look it up and remember it, " says Kallstrom.
He's such good company, indeed, that it takes a while in Bring Up The Bodies before you realise quite how brutal he is.
Each prisoner who emerges unreformed will start committing crimes again (a more frightening thought when you realise that one in four commits violent crimes).
And this is when you realise the political implications of what may be happening as governments promise to unite further to save the euro.
Having seen Todd Byrne at Hull be told he's out for the season, you realise this is just a minor one, so I'm not complaining.
But listen to the story of Vung Boih, a 17-year-old girl with sad, faraway eyes, and you realise that fate can be infinitely more cruel.
"Most of us accept road deaths and it's only when it happens to you that you realise 90% or more could've been avoided, " she said.
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Then a self-loathing sets in when you realise you're enjoying it.
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"For those that look to us in that dreaded moment when you realise a loved one has gone, they would be lost without us, " says the case worker.
There were so few in existence, from the era before the Mary Rose, you realise these were extremely powerful weapons and required great strength and specialism to use them.
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Ms Suu Kyi also spoke of a growing perception that Indians no longer valued democracy, saying that it was only "when you don't have democracy that you realise how precious it is".
"If you provide them with much more sophisticated material like letters, printed material, music, or any kind of very highly structured material, you realise that their peaks of ability come out, " said Dr Mottron.
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You get a sense of the sheer force of their numbers when you realise that Mrs Townsend is not the only clan member running in Maryland: her cousin, Mark Shriver, is trying to get into Congress.
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At that age when your coaches are telling you stuff like that it goes in one ear and out the other but if you actually listen and take into consideration what they're saying you realise they are right.
It is only when words on the walls start appearing, admonishing the player or offering backhanded encouragement after yet another violent explosion into giblets at the hands of a laser-equipped turret or murderous robot, that you realise the bastard is the game.
"When you realise that half the budget is already committed to contracts, that means effectively wiping out almost the entire new build programme for the next four years and that will have a tremendous impact on the construction trade in NI, " he warned.
Once technology is implemented, it is critical to measure the use of the technology to ensure it's delivering on the ROI (return on investment) that you hoped to get out of it, and to see what further gains you might realise that you didn't expect.
Are there particular things that you claimed for you now realise in the cold light of print you shouldn't have done and you feel embarrassed about?
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