1. Have a bevvy somewhere seriously special
It's your birthday, treat yourself! Get dolled up in your finery and go for fancy over-priced gin and tonics at The Savoy or a similar old money establishment. What better way is there to celebrate than flagging down a white-jacketed waiter and deliberating for hours over which gin will have the more exquisite topnotes before deciding on Gordon’s? You’ll be in good historical company at The Savoy, too - Marilyn Monroe, Frank Sinatra and ol’ Bogie were all known to drink there when they were in town. Make someone else pay though, obviously. It is your birthday after all.