Because you are young, intelligent, well-educated, charming, with good social skills and (I'm guessing here) healthy, good-looking and with a well-honed physique. You have come up to London like Dick Whittington to seek your fortune, as I did when I was your age. You'll be able to survive slumming it for a bit until you acquire your first billion. (I missed out on that bit.) When you write your memoirs ('Thank You, Mrs Thatcher: An Essex Boy's Pilgrimage'), you'll be able to look back with ironic affection to the time you had to live in a rather shabby, rather boring South London suburb with the appropriately naff name of Forest Hill.

The people living in 'sink estates' in central London on the other hand...