simply on whatever physical conditions they carry with them. exactly. and i think we would all be happier if that were the case. we can see — i'll show you in the shopping centre later — everybody wants to be beautiful, everybody wants to be young. but the fact is, they will all age and they will all die. and as they age they will get more disability. so far we are talking about people born with illness and impairment, but over the life course that is the main impact. there are very few, one in 20,000 have achondroplasia, but one in six or seven of the population is disabled and most of them through ageing. but to get to this social model which actually allows people with physical impairment to live their fullest lives, it requires enormous political will and it also requires very significant economic resource. and in your travels around the world and your work in countries much less prosperous than the united kingdom, do you find