The fisherman fishes as the urchin eats cream buns, from lust.
The weakest being on earth can accomplish feats of strength. The frailest urchin will ring every doorbell on the street in arctic weather or hoist himself aloft to inscribe his name on a virgin monument.
Every city has a sex and an age which have nothing to do with demography. Rome is feminine. So is Odessa. London is a teenager, an urchin, and, in this, hasn't changed since the time of Dickens. Paris, I believe, is a man in his twenties in love with an older woman.