You should do everything humanly possible to develop a clear mind - it is the useless or toxic clutter in our heads that prevents our brains firing on all cylinders.

So, tonight, before you go to bed: sit upright, somewhere where you will not be disturbed; close your eyes and re-run the day just ending as if you were watching yourself on reality TV, watching yourself, as a casual observer, as a vaguely interested third party. Don't judge what you see, don't analyse it, just watch. When you're done, turn that imaginery TV off.

In doing that mental housekeeping before you go to bed, you'll get a better night's sleep and you'll awaken with a clearer mind.

Many of you will be well aware of the number of times, over the last five years, that I've talked about people getting all hot and bothered in traffic, when they're supposed to be enjoying their holidays or, indeed, the way people fight each over a particular parking space in a half-empty car park.

Well, a couple of weeks ago in Biggleswade in the UK, this wonderful ability we have for the absurd was taken to its logical conclusion - a very sad conclusion.

Two sixty-five year-old gentlemen had an argument over a disabled parking space in the local supermarket carpark. The argument came to pushing and shoving and one of them fell over, banged is head and later died of the resultant head injury. The other individual has now been charged with manslaughter.

Nothing I can add to this sorry tale.

I am now almost fifty five years old - will be in a couple of weeks. Many of the people that I grew up with in business are retiring or thinking about it. I regularly here phrases such as: "When I retire I'm going to take up..." whatever. As I talk to clients, I am often told that they are "improving" at doing the things they're meant to be doing and that they "hope to do better in the future". As humans, as intelligent beings, we're all very confident that we've lots of time left in which we can improve, plenty of time to do the important things that we haven't yet got around to. Or, to put it another way, we're comfortable squandering the time that we have available to us today.

You don't need to be a psychologist, quantum physicist, philosopher or mystic to appreciate that, in fact, life is lived now, moment to moment. You don't need to be a genius to figure out that, if you're not doing the things that you need to do to get you to where you want to go in life now, you're missing the boat, life is passing you by.

We've all heard the expression that "this is not a rehearsal". This is your life... now. How are you doing at living it the way you'd like to live it? How does is measure up to your expectations? How happy are you with who you are, what you're doing and what you've got to show for it?

You are where you are, at this moment in time, as a result of every single choice, act, omission and decision you have taken, small, medium and large, in every moment of your life up to now. Your future depends on what you do now. Is what you're doing now appropriate? Is how you're doing it the best way you could be doing it? Are you focused? Are you present? If you're not, you're missing your own life. Because, this is it.