Actually, now I'm getting a bit fed up. Littered throughout this thread is 'do it if you want to' or 'anyone could do it'...
It's just not true. Are we forgetting that not only do the Police Officers face the things outlined in brief but awful detail by current serving officers upthread, but they also have to be fit?
I don't mean 'fit', as in 'I go to the gym once a week and listen to nice music while I do a few stairs'. I mean seriously fit.
They have to pass beep tests, strength tests, stamina and endurance, the list goes on.
When I was younger, I did my work experience with the Police. I was 14/15. I had a great time. I had thought that I would be a Police Officer.
Then I read the entry requirements. There is no way I could meet the fitness standards. I'm tall (5'8") but relatively thin (8st 10lbs). There is no way I could beat off an assailant (if we playfight, DH can pin me down with one hand by the wrists), or give chase. I haven't got the strength or the stamina required.
Let's not pretend that 'anybody' could be a Police Officer.