It is as follows: without fail.
Enter pub, march to the bar.
Do not acknowledge anyone but the female attendant. Real hard pubs don’t employ men.
Ask for a pint of heavy. You will be asked which one, your response is “the cheapest”.
Drink half of it in one. Buy a Bells and say “one for you too love”.
Roll a fag.
Pick a spot and stay alive as long as you can. I can only speak for Scottish pubs with flat roofs.
Edit: You know what, I love a dodgy pub. IME though, you really have to be alone, or “away” with another 10 000.