3.
Slip-on shoes, no socks.
4.
Choosing spectacular Christian names for their kids.
5.
To add to their already insanely long surnames.
6.
Driving a velvet-covered Porsche through Fulham.
7.
Cocktails that look like this.
9.
Pets that resemble their owners.
10.
The jumper-over-the-shoulders look.
12.
Careers in the military.
13.
Making lists of other posh people, most of whom you've never heard of.
15.
Wearing a gilet to work.
19.
Collections of letters written by posh people to other posh people.
23.
Boutique music festivals.
24.
Horse racing festivals that aren't the Grand National.