I want to experience that massive adrenalin rush when you step into a new stadium, all the more so when that Olympic Stadium is packed full of people waving British flags.
From a scientific perspective there is some indication that a nuclear war could deplete the earth's ozone layer or, less likely, could bring on a new Ice Age - but there is no suggestion that either the created order or mankind would be destroyed in the process.
Language is my bugbear. Everyone says things now like 'I was sat' instead of 'I was sitting', which just sounds so ugly.